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Critical Solr-parent CVEs

4 CVEs, 1 protected by Waratek

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Overview 4 matches · 1 protected · 0 exploited · 0 CISA KEV · 1 public PoC · 2 EPSS ≥ 0.5
4matches 1protected25.0% 0exploited0.0% 0CISA KEV0.0% 1public PoC25.0% 2EPSS ≥ 0.550.0%
Protected by Waratek 1 25.0% Rule in development 1 25.0% Mitigation candidate 0 0.0% No exploit published 2 50.0%
Critical 4 100.0% High 0 0.0% Medium 0 0.0% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 1 25.0% partly blocked 0 0.0% not blocked 3 75.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 0 0.0% Working exploit published 1 25.0% Proof of concept only 0 0.0% Forecast only 1 25.0% No public exploit 2 50.0%
split by peak 2 / month
No exploit published: 2Rule in development: 1Protected by Waratek: 1 Critical: 4 not blocked: 3blocked by ARMR today: 1 No public exploit: 2Forecast only: 1Working exploit published: 1
Oct 201 No exploit published1 Critical1 not blocked1 Forecast only1 Nov 200 Dec 200 Jan 210 Feb 210 Mar 210 Apr 212 Rule in development1 No exploit published1 Critical2 not blocked2 Working exploit published1 No public exploit1 May 210 Jun 210 Jul 210 Aug 210 Sep 210 Oct 210 Nov 210 Dec 211 Protected by Waratek1 Critical1 blocked by ARMR today1 No public exploit1
Oct 20Dec 20Feb 21Apr 21Jun 21Aug 21Oct 21Dec 21
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CVE Severity Published▾ Status Exploitation Description
CVE-2021-44548 Critical 2021-12-23 Protected by Waratek No public exploit An Improper Input Validation vulnerability in DataImportHandler of Apache Solr allows an attacker to provide a Windows UNC path resulting in an SMB network call being made from the Solr host to another host on the network. If the attacker has wider access to the network, this may lead to SMB attacks, which may result in: * The exfiltration of sensitive data such as OS user hashes (NTLM/LM hashes), * In case of misconfigured systems, SMB Relay Attacks which can lead to user impersonation on SMB Shares or, in a worse-case scenario, Remote Code Execution This issue affects all Apache Solr versions prior to 8.11.1. This issue only affects Windows.
CVE-2021-29943 Critical 2021-04-13 No exploit published No public exploit When using ConfigurableInternodeAuthHadoopPlugin for authentication, Apache Solr versions prior to 8.8.2 would forward/proxy distributed requests using server credentials instead of original client credentials. This would result in incorrect authorization resolution on the receiving hosts.
CVE-2021-27905 Critical 2021-04-13 Rule in development Working exploit published The ReplicationHandler (normally registered at "/replication" under a Solr core) in Apache Solr has a "masterUrl" (also "leaderUrl" alias) parameter that is used to designate another ReplicationHandler on another Solr core to replicate index data into the local core. To prevent a SSRF vulnerability, Solr ought to check these parameters against a similar configuration it uses for the "shards" parameter. Prior to this bug getting fixed, it did not. This problem affects essentially all Solr versions prior to it getting fixed in 8.8.2.
CVE-2020-13957 Critical 2020-10-13 No exploit published Forecast only Apache Solr versions 6.6.0 to 6.6.6, 7.0.0 to 7.7.3 and 8.0.0 to 8.6.2 prevents some features considered dangerous (which could be used for remote code execution) to be configured in a ConfigSet that's uploaded via API without authentication/authorization. The checks in place to prevent such features can be circumvented by using a combination of UPLOAD/CREATE actions.