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Including CVEs outside Waratek scope✕Product http server✕Has a public PoC✕
Overview 117 matches · 3 in Waratek scope · 0 protected · 18 exploited · 8 CISA KEV · 52 EPSS ≥ 0.5
117matches 3in Waratek scope2.6% 0protected0.0% 18exploited15.4% 8CISA KEV6.8% 52EPSS ≥ 0.544.4%
Protected by Waratek 0 0.0% Rule in development 0 0.0% Mitigation candidate 3 2.6% No exploit published 0 0.0% Outside Waratek scope 20 17.1% Not applicable 94 80.3% Withdrawn CVE 0 0.0%
Critical 11 9.4% High 48 41.0% Medium 57 48.7% Low 1 0.9% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 117 100.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 18 15.4% Working exploit published 91 77.8% Proof of concept only 8 6.8% Forecast only 0 0.0% No public exploit 0 0.0%
split by peak 16 / year
Not applicable: 94Outside Waratek scope: 20Mitigation candidate: 3 Low: 1Medium: 57High: 48Critical: 11 not blocked: 117 Proof of concept only: 8Working exploit published: 91Exploited: 18
19962 Not applicable2 High1 Medium1 not blocked2 Working exploit published2 19972 Not applicable2 High1 Medium1 not blocked2 Working exploit published2 19980 19995 Not applicable5 High3 Medium2 not blocked5 Working exploit published5 20004 Not applicable4 Medium4 not blocked4 Working exploit published4 20019 Outside Waratek scope1 Not applicable8 Critical1 High2 Medium6 not blocked9 Working exploit published9 200216 Mitigation candidate1 Outside Waratek scope3 Not applicable12 High11 Medium5 not blocked16 Exploited1 Working exploit published15 20034 Not applicable4 Medium4 not blocked4 Working exploit published4 20048 Not applicable8 High2 Medium6 not blocked8 Working exploit published8 20053 Not applicable3 High2 Medium1 not blocked3 Working exploit published3 20063 Not applicable3 High1 Medium2 not blocked3 Working exploit published3 20079 Outside Waratek scope1 Not applicable8 High2 Medium7 not blocked9 Working exploit published9 20084 Outside Waratek scope1 Not applicable3 High1 Medium3 not blocked4 Working exploit published4 20093 Not applicable3 Critical1 High1 Medium1 not blocked3 Exploited1 Working exploit published2 20102 Outside Waratek scope1 Not applicable1 High1 Medium1 not blocked2 Working exploit published2 20117 Not applicable7 High1 Medium5 Low1 not blocked7 Exploited1 Working exploit published6 20122 Outside Waratek scope2 Medium2 not blocked2 Working exploit published2 20130 20141 Outside Waratek scope1 Medium1 not blocked1 Working exploit published1 20150 20161 Not applicable1 High1 not blocked1 Working exploit published1 20172 Not applicable2 High2 not blocked2 Exploited2 20183 Outside Waratek scope2 Not applicable1 High2 Medium1 not blocked3 Exploited2 Working exploit published1 20194 Outside Waratek scope2 Not applicable2 Critical1 High1 Medium2 not blocked4 Exploited2 Working exploit published2 20203 Outside Waratek scope3 Critical1 High1 Medium1 not blocked3 Exploited1 Proof of concept only2 20215 Mitigation candidate1 Outside Waratek scope2 Not applicable2 Critical4 High1 not blocked5 Exploited3 Working exploit published2 20223 Not applicable3 High3 not blocked3 Exploited1 Working exploit published1 Proof of concept only1 20232 Mitigation candidate1 Not applicable1 Critical1 High1 not blocked2 Exploited2 20246 Outside Waratek scope1 Not applicable5 Critical1 High4 Medium1 not blocked6 Exploited1 Working exploit published2 Proof of concept only3 20250 20264 Not applicable4 Critical1 High3 not blocked4 Exploited1 Working exploit published1 Proof of concept only2
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117 matches Sign in to download these CVEs as CSV or JSON, or to follow them in a feed. ‹ prev page 1 of 2 next ›
CVE Severity Published▾ Status Exploitation Description
CVE-2026-49975 High 2026-06-08 Not applicable Proof of concept only Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests. This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.
CVE-2026-42536 High 2026-06-08 Not applicable Proof of concept only Heap-based Buffer Overflow vulnerability in Apache HTTP Server with mod_xml2enc, xml2StartParse, and untrusted content This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.
CVE-2026-23918 High 2026-05-04 Not applicable Working exploit published Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.
CVE-2026-21962 Critical 2026-01-20 Not applicable Exploited Vulnerability in the Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: Weblogic Server Proxy Plug-in for Apache HTTP Server, Weblogic Server Proxy Plug-in for IIS). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in. While the vulnerability is in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in accessible data as well as unauthorized access to critical data or complete access to all Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in accessible data. Note: Affected version for Weblogic Server Proxy Plug-in for IIS is 12.2.1.4.0 only. CVSS 3.1 Base Score 10.0 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N).
CVE-2024-40725 Medium 2024-07-18 Not applicable Proof of concept only A partial fix for  CVE-2024-39884 in the core of Apache HTTP Server 2.4.61 ignores some use of the legacy content-type based configuration of handlers. "AddType" and similar configuration, under some circumstances where files are requested indirectly, result in source code disclosure of local content. For example, PHP scripts may be served instead of interpreted. Users are recommended to upgrade to version 2.4.62, which fixes this issue.
CVE-2024-38475 Critical 2024-07-01 Not applicable Exploited Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code execution or source code disclosure. Substitutions in server context that use a backreferences or variables as the first segment of the substitution are affected.  Some unsafe RewiteRules will be broken by this change and the rewrite flag "UnsafePrefixStat" can be used to opt back in once ensuring the substitution is appropriately constrained.
CVE-2024-38473 High 2024-07-01 Not applicable Working exploit published Encoding problem in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows request URLs with incorrect encoding to be sent to backend services, potentially bypassing authentication via crafted requests. Users are recommended to upgrade to version 2.4.60, which fixes this issue.
CVE-2024-38472 High 2024-07-01 Not applicable Working exploit published SSRF in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via SSRF and malicious requests or content Users are recommended to upgrade to version 2.4.60 which fixes this issue.  Note: Existing configurations that access UNC paths will have to configure new directive "UNCList" to allow access during request processing.
CVE-2024-27316 High 2024-04-04 Not applicable Proof of concept only HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
CVE-2023-38709 High 2024-04-04 Outside Waratek scope Proof of concept only Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators to split HTTP responses. This issue affects Apache HTTP Server: through 2.4.58.
CVE-2023-44487 High 2023-10-10 Mitigation candidate Exploited The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
CVE-2023-25690 Critical 2023-03-07 Not applicable Exploited Some mod_proxy configurations on Apache HTTP Server versions 2.4.0 through 2.4.55 allow a HTTP Request Smuggling attack. Configurations are affected when mod_proxy is enabled along with some form of RewriteRule or ProxyPassMatch in which a non-specific pattern matches some portion of the user-supplied request-target (URL) data and is then re-inserted into the proxied request-target using variable substitution. For example, something like: RewriteEngine on RewriteRule "^/here/(.*)" "http://example.com:8080/elsewhere?$1"; [P] ProxyPassReverse /here/ http://example.com:8080/ Request splitting/smuggling could result in bypass of access controls in the proxy server, proxying unintended URLs to existing origin servers, and cache poisoning. Users are recommended to update to at least version 2.4.56 of Apache HTTP Server.
CVE-2022-35507 High 2022-12-04 Not applicable Working exploit published A response-header CRLF injection vulnerability in the Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) web interface allows a remote attacker to set cookies for a victim's browser that are longer than the server expects, causing a client-side DoS. This affects Chromium-based browsers because they allow injection of response headers with %0d. This is fixed in pve-http-server 4.1-3.
CVE-2022-26377 High 2022-06-09 Not applicable Proof of concept only Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.
CVE-2021-4034 High 2022-01-28 Not applicable Exploited A local privilege escalation vulnerability was found on polkit's pkexec utility. The pkexec application is a setuid tool designed to allow unprivileged users to run commands as privileged users according predefined policies. The current version of pkexec doesn't handle the calling parameters count correctly and ends trying to execute environment variables as commands. An attacker can leverage this by crafting environment variables in such a way it'll induce pkexec to execute arbitrary code. When successfully executed the attack can cause a local privilege escalation given unprivileged users administrative rights on the target machine.
CVE-2021-44790 Critical 2021-12-20 Outside Waratek scope Working exploit published A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier.
CVE-2021-42697 High 2021-11-02 Mitigation candidate Working exploit published Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments.
CVE-2021-42013 Critical 2021-10-07 Not applicable Exploited It was found that the fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside of these directories are not protected by the usual default configuration "require all denied", these requests can succeed. If CGI scripts are also enabled for these aliased pathes, this could allow for remote code execution. This issue only affects Apache 2.4.49 and Apache 2.4.50 and not earlier versions.
CVE-2021-41773 Critical 2021-10-05 Not applicable Exploited A flaw was found in a change made to path normalization in Apache HTTP Server 2.4.49. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside of these directories are not protected by the usual default configuration "require all denied", these requests can succeed. If CGI scripts are also enabled for these aliased pathes, this could allow for remote code execution. This issue is known to be exploited in the wild. This issue only affects Apache 2.4.49 and not earlier versions. The fix in Apache HTTP Server 2.4.50 was found to be incomplete, see CVE-2021-42013.
CVE-2021-40438 Critical 2021-09-16 Outside Waratek scope Exploited A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.
CVE-2020-1971 Medium 2020-12-08 Outside Waratek scope Proof of concept only The X.509 GeneralName type is a generic type for representing different types of names. One of those name types is known as EDIPartyName. OpenSSL provides a function GENERAL_NAME_cmp which compares different instances of a GENERAL_NAME to see if they are equal or not. This function behaves incorrectly when both GENERAL_NAMEs contain an EDIPARTYNAME. A NULL pointer dereference and a crash may occur leading to a possible denial of service attack. OpenSSL itself uses the GENERAL_NAME_cmp function for two purposes: 1) Comparing CRL distribution point names between an available CRL and a CRL distribution point embedded in an X509 certificate 2) When verifying that a timestamp response token signer matches the timestamp authority name (exposed via the API functions TS_RESP_verify_response and TS_RESP_verify_token) If an attacker can control both items being compared then that attacker could trigger a crash. For example if the attacker can trick a client or server into checking a malicious certificate against a malicious CRL then this may occur. Note that some applications automatically download CRLs based on a URL embedded in a certificate. This checking happens prior to the signatures on the certificate and CRL being verified. OpenSSL's s_server, s_client and verify tools have support for the "-crl_download" option which implements automatic CRL downloading and this attack has been demonstrated to work against those tools. Note that an unrelated bug means that affected versions of OpenSSL cannot parse or construct correct encodings of EDIPARTYNAME. However it is possible to construct a malformed EDIPARTYNAME that OpenSSL's parser will accept and hence trigger this attack. All OpenSSL 1.1.1 and 1.0.2 versions are affected by this issue. Other OpenSSL releases are out of support and have not been checked. Fixed in OpenSSL 1.1.1i (Affected 1.1.1-1.1.1h). Fixed in OpenSSL 1.0.2x (Affected 1.0.2-1.0.2w).
CVE-2020-11984 Critical 2020-08-07 Outside Waratek scope Exploited Apache HTTP server 2.4.32 to 2.4.44 mod_proxy_uwsgi info disclosure and possible RCE
CVE-2020-1967 High 2020-04-21 Outside Waratek scope Proof of concept only Server or client applications that call the SSL_check_chain() function during or after a TLS 1.3 handshake may crash due to a NULL pointer dereference as a result of incorrect handling of the "signature_algorithms_cert" TLS extension. The crash occurs if an invalid or unrecognised signature algorithm is received from the peer. This could be exploited by a malicious peer in a Denial of Service attack. OpenSSL version 1.1.1d, 1.1.1e, and 1.1.1f are affected by this issue. This issue did not affect OpenSSL versions prior to 1.1.1d. Fixed in OpenSSL 1.1.1g (Affected 1.1.1d-1.1.1f).
CVE-2013-4743 Critical 2019-12-27 Not applicable Working exploit published Static HTTP Server 1.0 has a Local Overflow
CVE-2019-10092 Medium 2019-09-26 Outside Waratek scope Working exploit published In Apache HTTP Server 2.4.0-2.4.39, a limited cross-site scripting issue was reported affecting the mod_proxy error page. An attacker could cause the link on the error page to be malformed and instead point to a page of their choice. This would only be exploitable where a server was set up with proxying enabled but was misconfigured in such a way that the Proxy Error page was displayed.
CVE-2019-10098 Medium 2019-09-25 Not applicable Exploited In Apache HTTP server 2.4.0 to 2.4.39, Redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an unexpected URL within the request URL.
CVE-2019-0211 High 2019-04-08 Outside Waratek scope Exploited In Apache HTTP Server 2.4 releases 2.4.17 to 2.4.38, with MPM event, worker or prefork, code executing in less-privileged child processes or threads (including scripts executed by an in-process scripting interpreter) could execute arbitrary code with the privileges of the parent process (usually root) by manipulating the scoreboard. Non-Unix systems are not affected.
CVE-2016-4975 Medium 2018-08-14 Not applicable Working exploit published Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the "Location" or other outbound header key or value. Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23). Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31).
CVE-2018-8011 High 2018-07-18 Outside Waratek scope Exploited By specially crafting HTTP requests, the mod_md challenge handler would dereference a NULL pointer and cause the child process to segfault. This could be used to DoS the server. Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.33).
CVE-2017-15715 High 2018-03-26 Outside Waratek scope Exploited In Apache httpd 2.4.0 to 2.4.29, the expression specified in <FilesMatch> could match '$' to a newline character in a malicious filename, rather than matching only the end of the filename. This could be exploited in environments where uploads of some files are are externally blocked, but only by matching the trailing portion of the filename.
CVE-2017-9798 High 2017-09-18 Not applicable Exploited Apache httpd allows remote attackers to read secret data from process memory if the Limit directive can be set in a user's .htaccess file, or if httpd.conf has certain misconfigurations, aka Optionsbleed. This affects the Apache HTTP Server through 2.2.34 and 2.4.x through 2.4.27. The attacker sends an unauthenticated OPTIONS HTTP request when attempting to read secret data. This is a use-after-free issue and thus secret data is not always sent, and the specific data depends on many factors including configuration. Exploitation with .htaccess can be blocked with a patch to the ap_limit_section function in server/core.c.
CVE-2016-0736 High 2017-07-27 Not applicable Exploited In Apache HTTP Server versions 2.4.0 to 2.4.23, mod_session_crypto was encrypting its data/cookie using the configured ciphers with possibly either CBC or ECB modes of operation (AES256-CBC by default), hence no selectable or builtin authenticated encryption. This made it vulnerable to padding oracle attacks, particularly with CBC.
CVE-2016-8740 High 2016-12-05 Not applicable Working exploit published The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request.
CVE-2014-0226 Medium 2014-07-20 Outside Waratek scope Working exploit published Race condition in the mod_status module in the Apache HTTP Server before 2.4.10 allows remote attackers to cause a denial of service (heap-based buffer overflow), or possibly obtain sensitive credential information or execute arbitrary code, via a crafted request that triggers improper scoreboard handling within the status_handler function in modules/generators/mod_status.c and the lua_ap_scoreboard_worker function in modules/lua/lua_request.c.
CVE-2012-0053 Medium 2012-01-28 Outside Waratek scope Working exploit published protocol.c in the Apache HTTP Server 2.2.x through 2.2.21 does not properly restrict header information during construction of Bad Request (aka 400) error documents, which allows remote attackers to obtain the values of HTTPOnly cookies via vectors involving a (1) long or (2) malformed header in conjunction with crafted web script.
CVE-2012-0031 Medium 2012-01-18 Outside Waratek scope Working exploit published scoreboard.c in the Apache HTTP Server 2.2.21 and earlier might allow local users to cause a denial of service (daemon crash during shutdown) or possibly have unspecified other impact by modifying a certain type field within a scoreboard shared memory segment, leading to an invalid call to the free function.
CVE-2011-4317 Medium 2011-11-30 Not applicable Working exploit published The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21, when the Revision 1179239 patch is in place, does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows remote attackers to send requests to intranet servers via a malformed URI containing an @ (at sign) character and a : (colon) character in invalid positions. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-3368.
CVE-2011-3639 Medium 2011-11-30 Not applicable Working exploit published The mod_proxy module in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x before 2.2.18, when the Revision 1179239 patch is in place, does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows remote attackers to send requests to intranet servers by using the HTTP/0.9 protocol with a malformed URI containing an initial @ (at sign) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-3368.
CVE-2011-4415 Low 2011-11-08 Not applicable Working exploit published The ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, does not restrict the size of values of environment variables, which allows local users to cause a denial of service (memory consumption or NULL pointer dereference) via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, related to (1) the "len +=" statement and (2) the apr_pcalloc function call, a different vulnerability than CVE-2011-3607.
CVE-2011-3607 Medium 2011-11-08 Not applicable Working exploit published Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.
CVE-2011-3368 Medium 2011-10-05 Not applicable Working exploit published The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21 does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows remote attackers to send requests to intranet servers via a malformed URI containing an initial @ (at sign) character.
CVE-2011-3192 High 2011-08-29 Not applicable Exploited The byterange filter in the Apache HTTP Server 1.3.x, 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial of service (memory and CPU consumption) via a Range header that expresses multiple overlapping ranges, as exploited in the wild in August 2011, a different vulnerability than CVE-2007-0086.
CVE-2011-0419 Medium 2011-05-16 Not applicable Working exploit published Stack consumption vulnerability in the fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library before 1.4.3 and the Apache HTTP Server before 2.2.18, and in fnmatch.c in libc in NetBSD 5.1, OpenBSD 4.8, FreeBSD, Apple Mac OS X 10.6, Oracle Solaris 10, and Android, allows context-dependent attackers to cause a denial of service (CPU and memory consumption) via *? sequences in the first argument, as demonstrated by attacks against mod_autoindex in httpd.
CVE-2010-2435 Medium 2010-06-24 Not applicable Working exploit published Weborf HTTP Server 0.12.1 and earlier allows remote attackers to cause a denial of service (crash) via Unicode characters in a Connection HTTP header, and possibly other headers.
CVE-2010-0425 High 2010-03-05 Outside Waratek scope Working exploit published modules/arch/win32/mod_isapi.c in mod_isapi in the Apache HTTP Server 2.0.37 through 2.0.63, 2.2.0 through 2.2.14, and 2.3.x before 2.3.7, when running on Windows, does not ensure that request processing is complete before calling isapi_unload for an ISAPI .dll module, which allows remote attackers to execute arbitrary code via unspecified vectors related to a crafted request, a reset packet, and "orphaned callback pointers."
CVE-2009-4086 Medium 2009-11-29 Not applicable Working exploit published CRLF injection vulnerability in Xerver HTTP Server 4.31 and 4.32 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via certain byte sequences at the end of a URL. NOTE: some of these details are obtained from third party information.
CVE-2009-3555 Critical 2009-11-09 Not applicable Exploited The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft Internet Information Services (IIS) 7.0, mod_ssl in the Apache HTTP Server 2.2.14 and earlier, OpenSSL before 0.9.8l, GnuTLS 2.8.5 and earlier, Mozilla Network Security Services (NSS) 3.12.4 and earlier, multiple Cisco products, and other products, does not properly associate renegotiation handshakes with an existing connection, which allows man-in-the-middle attackers to insert data into HTTPS sessions, and possibly other types of sessions protected by TLS or SSL, by sending an unauthenticated request that is processed retroactively by a server in a post-renegotiation context, related to a "plaintext injection" attack, aka the "Project Mogul" issue.
CVE-2009-1955 High 2009-06-08 Not applicable Working exploit published The expat XML parser in the apr_xml_* interface in xml/apr_xml.c in Apache APR-util before 1.3.7, as used in the mod_dav and mod_dav_svn modules in the Apache HTTP Server, allows remote attackers to cause a denial of service (memory consumption) via a crafted XML document containing a large number of nested entity references, as demonstrated by a PROPFIND request, a similar issue to CVE-2003-1564.
CVE-2008-2168 Medium 2008-05-13 Not applicable Working exploit published Cross-site scripting (XSS) vulnerability in Apache 2.2.6 and earlier allows remote attackers to inject arbitrary web script or HTML via UTF-7 encoded URLs that are not properly handled when displaying the 403 Forbidden error page.
CVE-2008-0455 Medium 2008-01-25 Outside Waratek scope Working exploit published Cross-site scripting (XSS) vulnerability in the mod_negotiation module in the Apache HTTP Server 2.2.6 and earlier in the 2.2.x series, 2.0.61 and earlier in the 2.0.x series, and 1.3.39 and earlier in the 1.3.x series allows remote authenticated users to inject arbitrary web script or HTML by uploading a file with a name containing XSS sequences and a file extension, which leads to injection within a (1) "406 Not Acceptable" or (2) "300 Multiple Choices" HTTP response when the extension is omitted in a request for the file.
CVE-2008-0338 Medium 2008-01-17 Not applicable Working exploit published Directory traversal vulnerability in the mwGetLocalFileName function in http.c in MiniWeb HTTP Server 0.8.19 allows remote attackers to read arbitrary files and list arbitrary directories via a (1) .%2e (partially encoded dot dot) or (2) %2e%2e (encoded dot dot) in the URI.
CVE-2008-0337 High 2008-01-17 Not applicable Working exploit published Heap-based buffer overflow in the _mwProcessReadSocket function in http.c in MiniWeb HTTP Server 0.8.19 allows remote attackers to execute arbitrary code via a long URI.
CVE-2007-6514 Medium 2007-12-21 Not applicable Working exploit published Apache HTTP Server, when running on Linux with a document root on a Windows share mounted using smbfs, allows remote attackers to obtain unprocessed content such as source files for .php programs via a trailing "\" (backslash), which is not handled by the intended AddType directive.
CVE-2007-6203 Medium 2007-12-03 Not applicable Working exploit published Apache HTTP Server 2.0.x and 2.2.x does not sanitize the HTTP Method specifier header from an HTTP request when it is reflected back in a "413 Request Entity Too Large" error message, which might allow cross-site scripting (XSS) style attacks using web client components that can send arbitrary headers in requests, as demonstrated via an HTTP request containing an invalid Content-length value, a similar issue to CVE-2006-3918.
CVE-2007-3340 High 2007-06-21 Not applicable Working exploit published BugHunter HTTP SERVER (httpsv.exe) 1.6.2 allows remote attackers to cause a denial of service (application crash) via a large number of requests for nonexistent pages.
CVE-2007-3327 Medium 2007-06-21 Not applicable Working exploit published httpsv.exe in HTTP Server 1.6.2 allows remote attackers to obtain sensitive information (script source code) via a URI with a trailing %20 (encoded space).
CVE-2007-3159 Medium 2007-06-11 Not applicable Working exploit published http.c in MiniWeb Http Server 0.8.x allows remote attackers to cause a denial of service (application crash) via a negative value in the Content-Length HTTP header.
CVE-2007-3009 Medium 2007-06-04 Not applicable Working exploit published Format string vulnerability in the MprLogToFile::logEvent function in Mbedthis AppWeb 2.0.5-4, when the build supports logging but the configuration disables logging, allows remote attackers to cause a denial of service (daemon crash) via format string specifiers in the HTTP scheme, as demonstrated by a "GET %n://localhost:80/" request.
CVE-2007-2367 High 2007-04-30 Not applicable Working exploit published Buffer overflow in wserve_console.exe in Wserve HTTP Server (whttp) 4.6 allows remote attackers to cause a denial of service (forced application exit) via a long directory name in the URI.
CVE-2007-0450 Medium 2007-03-16 Outside Waratek scope Working exploit published Directory traversal vulnerability in Apache HTTP Server and Tomcat 5.x before 5.5.22 and 6.x before 6.0.10, when using certain proxy modules (mod_proxy, mod_rewrite, mod_jk), allows remote attackers to read arbitrary files via a .. (dot dot) sequence with combinations of (1) "/" (slash), (2) "\" (backslash), and (3) URL-encoded backslash (%5C) characters in the URL, which are valid separators in Tomcat but not in Apache.
CVE-2007-0548 Medium 2007-01-29 Not applicable Working exploit published KarjaSoft Sami HTTP Server 2.0.1 allows remote attackers to cause a denial of service (daemon hang) via a large number of requests for nonexistent objects.
CVE-2006-4110 Medium 2006-08-14 Not applicable Working exploit published Apache 2.2.2, when running on Windows, allows remote attackers to read source code of CGI programs via a request that contains uppercase (or alternate case) characters that bypass the case-sensitive ScriptAlias directive, but allow access to the file on case-insensitive file systems.
CVE-2006-3918 Medium 2006-07-28 Not applicable Working exploit published http_protocol.c in (1) IBM HTTP Server 6.0 before 6.0.2.13 and 6.1 before 6.1.0.1, and (2) Apache HTTP Server 1.3 before 1.3.35, 2.0 before 2.0.58, and 2.2 before 2.2.2, does not sanitize the Expect header from an HTTP request when it is reflected back in an error message, which might allow cross-site scripting (XSS) style attacks using web client components that can send arbitrary headers in requests, as demonstrated using a Flash SWF file.
CVE-2006-3747 High 2006-07-28 Not applicable Working exploit published Off-by-one error in the ldap scheme handling in the Rewrite module (mod_rewrite) in Apache 1.3 from 1.3.28, 2.0.46 and other versions before 2.0.59, and 2.2, when RewriteEngine is enabled, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted URLs that are not properly handled using certain rewrite rules.
CVE-2005-1344 High 2005-05-02 Not applicable Working exploit published Buffer overflow in htdigest in Apache 2.0.52 may allow attackers to execute arbitrary code via a long realm argument. NOTE: since htdigest is normally only locally accessible and not setuid or setgid, there are few attack vectors which would lead to an escalation of privileges, unless htdigest is executed from a CGI program. Therefore this may not be a vulnerability.
CVE-2004-0942 Medium 2005-02-09 Not applicable Working exploit published Apache webserver 2.0.52 and earlier allows remote attackers to cause a denial of service (CPU consumption) via an HTTP GET request with a MIME header containing multiple lines with a large number of space characters.
CVE-2004-0940 High 2005-02-09 Not applicable Working exploit published Buffer overflow in the get_tag function in mod_include for Apache 1.3.x to 1.3.32 allows local users who can create SSI documents to execute arbitrary code as the apache user via SSI (XSSI) documents that trigger a length calculation error.
CVE-2004-2271 High 2004-12-31 Not applicable Working exploit published Buffer overflow in MiniShare 1.4.1 and earlier allows remote attackers to execute arbitrary code via a long HTTP GET request.
CVE-2004-2115 Medium 2004-12-31 Not applicable Working exploit published Multiple cross-site scripting (XSS) vulnerabilities in Oracle HTTP Server 1.3.22, based on Apache, allow remote attackers to execute arbitrary script as other users via the (1) action, (2) username, or (3) password parameters in an isqlplus request.
CVE-2004-0349 Medium 2004-11-23 Not applicable Working exploit published Directory traversal vulnerability in GWeb HTTP Server 0.6 allows remote attackers to view arbitrary files via a .. (dot dot) in the URL.
CVE-2004-0292 High 2004-11-23 Not applicable Working exploit published Buffer overflow in KarjaSoft Sami HTTP Server 1.0.4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long HTTP GET request.
CVE-2004-0751 Medium 2004-10-20 Not applicable Working exploit published The char_buffer_read function in the mod_ssl module for Apache 2.x, when using reverse proxying to an SSL server, allows remote attackers to cause a denial of service (segmentation fault).
CVE-2004-0493 Medium 2004-08-06 Not applicable Working exploit published The ap_get_mime_headers_core function in Apache httpd 2.0.49 allows remote attackers to cause a denial of service (memory exhaustion), and possibly an integer signedness error leading to a heap-based buffer overflow on 64 bit systems, via long header lines with large numbers of space or tab characters.
CVE-2004-2035 Medium 2004-05-26 Not applicable Working exploit published MiniShare 1.3.2 allows remote attackers to cause a denial of service (crash) via a malformed HTTP GET or HEAD request without the proper number of trailing CRLF sequences.
CVE-2004-0173 Medium 2004-04-15 Not applicable Working exploit published Directory traversal vulnerability in Apache 1.3.29 and earlier, and Apache 2.0.48 and earlier, when running on Cygwin, allows remote attackers to read arbitrary files via a URL containing "..%5C" (dot dot encoded backslash) sequences.
CVE-2003-1511 Medium 2003-12-31 Not applicable Working exploit published Cross-site scripting (XSS) vulnerability in Bajie Java HTTP Server 0.95 through 0.95zxv4 allows remote attackers to inject arbitrary web script or HTML via (1) the query string to test.txt, (2) the guestName parameter to the custMsg servlet, or (3) the cookiename parameter to the CookieExample servlet.
CVE-2003-1307 Medium 2003-12-31 Not applicable Working exploit published The mod_php module for the Apache HTTP Server allows local users with write access to PHP scripts to send signals to the server's process group and use the server's file descriptors, as demonstrated by sending a STOP signal, then intercepting incoming connections on the server's TCP port. NOTE: the PHP developer has disputed this vulnerability, saying "The opened file descriptors are opened by Apache. It is the job of Apache to protect them ... Not a bug in PHP.
CVE-2003-0245 Medium 2003-06-09 Not applicable Working exploit published Vulnerability in the apr_psprintf function in the Apache Portable Runtime (APR) library for Apache 2.0.37 through 2.0.45 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via long strings, as demonstrated using XML objects to mod_dav, and possibly other vectors.
CVE-2003-0132 Medium 2003-04-11 Not applicable Working exploit published A memory leak in Apache 2.0 through 2.0.44 allows remote attackers to cause a denial of service (memory consumption) via large chunks of linefeed characters, which causes Apache to allocate 80 bytes for each linefeed.
CVE-2002-2416 Medium 2002-12-31 Not applicable Working exploit published Directory traversal vulnerability in Zeroo web server 1.5 allows remote attackers to read arbitrary files via a .. (dot dot) in a URL GET request.
CVE-2002-2272 High 2002-12-31 Mitigation candidate Working exploit published Tomcat 4.0 through 4.1.12, using mod_jk 1.2.1 module on Apache 1.3 through 1.3.27, allows remote attackers to cause a denial of service (desynchronized communications) via an HTTP GET request with a Transfer-Encoding chunked field with invalid values.
CVE-2002-2268 High 2002-12-31 Not applicable Working exploit published Buffer overflow in Webster HTTP Server allows remote attackers to execute arbitrary code via a long URL.
CVE-2002-2029 High 2002-12-31 Not applicable Working exploit published PHP, when installed on Windows with Apache and ScriptAlias for /php/ set to c:/php/, allows remote attackers to read arbitrary files and possibly execute arbitrary programs via an HTTP request for php.exe with a filename in the query string.
CVE-2002-1850 High 2002-12-31 Not applicable Working exploit published mod_cgi in Apache 2.0.39 and 2.0.40 allows local users and possibly remote attackers to cause a denial of service (hang and memory consumption) by causing a CGI script to send a large amount of data to stderr, which results in a read/write deadlock between httpd and the CGI script.
CVE-2002-1823 High 2002-12-31 Not applicable Working exploit published Buffer overflow in the HttpGetRequest function in Zeroo HTTP server 1.5 allows remote attackers to execute arbitrary code via a long HTTP request.
CVE-2002-1178 Medium 2002-10-11 Not applicable Working exploit published Directory traversal vulnerability in the CGIServlet for Jetty HTTP server before 4.1.0 allows remote attackers to execute arbitrary commands via ..\ (dot-dot backslash) sequences in an HTTP request to the cgi-bin directory.
CVE-2002-0840 Medium 2002-10-11 Outside Waratek scope Working exploit published Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43, and 1.3.x up to 1.3.26, when UseCanonicalName is "Off" and support for wildcard DNS is present, allows remote attackers to execute script as other web page visitors via the Host: header, a different vulnerability than CAN-2002-1157.
CVE-2002-1009 High 2002-10-04 Not applicable Working exploit published Cross-site scripting vulnerability in PowerBASIC pbcgi.cgi, as included in Lil' HTTP web server, allows remote attackers to execute arbitrary web script in other web browsers via the (1) "Name" or (2) "E-mail" parameters.
CVE-2002-1008 High 2002-10-04 Not applicable Working exploit published Cross-site scripting vulnerability in PowerBASIC urlcount.cgi, as included in Lil' HTTP web server, allows remote attackers to execute arbitrary web script in other web browsers via a request to urlcount.cgi that contains the script, which is not filtered when the REPORT capability prints the original request.
CVE-2002-0654 Medium 2002-09-05 Not applicable Working exploit published Apache 2.0 through 2.0.39 on Windows, OS2, and Netware allows remote attackers to determine the full pathname of the server via (1) a request for a .var file, which leaks the pathname in the resulting error message, or (2) via an error message that occurs when a script (child process) cannot be invoked.
CVE-2002-0661 High 2002-08-12 Not applicable Working exploit published Directory traversal vulnerability in Apache 2.0 through 2.0.39 on Windows, OS2, and Netware allows remote attackers to read arbitrary files and execute commands via .. (dot dot) sequences containing \ (backslash) characters.
CVE-2002-0659 Medium 2002-08-12 Outside Waratek scope Working exploit published The ASN1 library in OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, allows remote attackers to cause a denial of service via invalid encodings.
CVE-2002-0656 High 2002-08-12 Outside Waratek scope Working exploit published Buffer overflows in OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, allow remote attackers to execute arbitrary code via (1) a large client master key in SSL2 or (2) a large session ID in SSL3.
CVE-2002-0392 High 2002-07-03 Not applicable Exploited Apache 1.3 through 1.3.24, and Apache 2.0 through 2.0.36, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a chunk-encoded HTTP request that causes Apache to use an incorrect size.
CVE-2002-0061 High 2002-03-21 Not applicable Working exploit published Apache for Win32 before 1.3.24, and 2.0.x before 2.0.34-beta, allows remote attackers to execute arbitrary commands via shell metacharacters (a | pipe character) provided as arguments to batch (.bat) or .cmd scripts, which are sent unfiltered to the shell interpreter, typically cmd.exe.
CVE-2001-0766 Critical 2001-10-18 Not applicable Working exploit published Apache on MacOS X Client 10.0.3 with the HFS+ file system allows remote attackers to bypass access restrictions via a URL that contains some characters whose case is not matched by Apache's filters.
CVE-2001-0731 Medium 2001-10-01 Not applicable Working exploit published Apache 1.3.20 with Multiviews enabled allows remote attackers to view directory contents and bypass the index page via a URL containing the "M=D" query string.
CVE-2001-0308 High 2001-05-03 Not applicable Working exploit published UploadServlet in Bajie HTTP JServer 0.78, and possibly other versions before 0.80, allows remote attackers to execute arbitrary commands by calling the servlet to upload a program, then using a ... (modified ..) to access the file that was created for the program.
CVE-2001-0307 High 2001-05-03 Not applicable Working exploit published Bajie HTTP JServer 0.78, and other versions before 0.80, allows remote attackers to execute arbitrary commands via shell metacharacters in an HTTP request for a CGI program that does not exist.
CVE-2001-0286 Medium 2001-05-03 Not applicable Working exploit published Directory traversal vulnerability in A1 HTTP server 1.0a allows remote attackers to read arbitrary files via a .. (dot dot) in an HTTP GET request.
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