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Oracle Critical Patch Update October 2021

Released October 2021 · Oracle's advisory ↗ · ← Critical Patch Update, July 2021 · Critical Patch Update, January 2022 →

231 CVEs in this release, one square each

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Share this chart Oracle Critical Patch Update October 2021, one square per CVE: 101 Java CVEs, 26 protected by Waratek, 7 exploited, 130 other CVEs in this release.

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26Protected by Waratek3Mitigation candidate72No exploit published42Outside Waratek scope88Not applicable 7Exploited, marked by the ring

No exploit published. For 52 of them, Oracle's security advisory is the source of public detail.

Protected by Waratek. Waratek RASP can block exploitation of these on systems that have not applied the patch yet.

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EPSS ≥ 0.5✕
Overview 6 matches · 3 protected · 1 exploited · 1 CISA KEV · 4 public PoC
6matches 3protected50.0% 1exploited16.7% 1CISA KEV16.7% 4public PoC66.7%
Protected by Waratek 3 50.0% Rule in development 0 0.0% Mitigation candidate 1 16.7% No exploit published 2 33.3%
Critical 2 33.3% High 3 50.0% Medium 1 16.7% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 3 50.0% partly blocked 0 0.0% not blocked 3 50.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 1 16.7% Working exploit published 3 50.0% Proof of concept only 0 0.0% Forecast only 2 33.3% No public exploit 0 0.0%
split by peak 1 / month
No exploit published: 2Mitigation candidate: 1Protected by Waratek: 3 Medium: 1High: 3Critical: 2 not blocked: 3blocked by ARMR today: 3 Forecast only: 2Working exploit published: 3Exploited: 1
May 201 Protected by Waratek1 High1 blocked by ARMR today1 Working exploit published1 Jun 200 Jul 200 Aug 200 Sep 200 Oct 200 Nov 200 Dec 201 Protected by Waratek1 Critical1 blocked by ARMR today1 Exploited1 Jan 210 Feb 210 Mar 211 Protected by Waratek1 Critical1 blocked by ARMR today1 Working exploit published1 Apr 211 No exploit published1 High1 not blocked1 Forecast only1 May 211 Mitigation candidate1 High1 not blocked1 Working exploit published1 Jun 210 Jul 211 No exploit published1 Medium1 not blocked1 Forecast only1
May 20Jul 20Sep 20Nov 20Jan 21Mar 21May 21Jul 21
6 matches Sign in to download these CVEs as CSV or JSON, or to follow them in a feed.
CVE Severity Published▾ Status Exploitation Description
CVE-2021-33037 Medium 2021-07-12 No exploit published Forecast only Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.
CVE-2021-29505 High 2021-05-28 Mitigation candidate Working exploit published XStream is software for serializing Java objects to XML and back again. A vulnerability in XStream versions prior to 1.4.17 may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types is affected. The vulnerability is patched in version 1.4.17.
CVE-2021-28165 High 2021-04-01 No exploit published Forecast only In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can reach 100% upon receiving a large invalid TLS frame.
CVE-2021-21345 Critical 2021-03-23 Protected by Waratek Working exploit published XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker who has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.
CVE-2020-17530 Critical 2020-12-11 Protected by Waratek Exploited Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 - Struts 2.5.25.
CVE-2020-9484 High 2020-05-20 Protected by Waratek Working exploit published When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the PersistenceManager is configured with sessionAttributeValueClassNameFilter="null" (the default unless a SecurityManager is used) or a sufficiently lax filter to allow the attacker provided object to be deserialized; and d) the attacker knows the relative file path from the storage location used by FileStore to the file the attacker has control over; then, using a specifically crafted request, the attacker will be able to trigger remote code execution via deserialization of the file under their control. Note that all of conditions a) to d) must be true for the attack to succeed.