High severity7.5NVD Advisory· Published Jan 27, 2021· Updated Jun 15, 2026
CVE-2021-26117
CVE-2021-26117
Description
The optional ActiveMQ LDAP login module can be configured to use anonymous access to the LDAP server. In this case, for Apache ActiveMQ Artemis prior to version 2.16.0 and Apache ActiveMQ prior to versions 5.16.1 and 5.15.14, the anonymous context is used to verify a valid users password in error, resulting in no check on the password.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.activemq:activemq-parentMaven | >= 5.16.0, < 5.16.1 | 5.16.1 |
org.apache.activemq:activemq-parentMaven | < 5.15.14 | 5.15.14 |
org.apache.activemq:apache-artemisMaven | < 2.16.0 | 2.16.0 |
Affected products
4- osv-coords3 versionspkg:bitnami/activemqpkg:maven/org.apache.activemq/activemq-parentpkg:maven/org.apache.activemq/apache-artemis
>= 5.15.0, < 5.15.14+ 2 more
- (no CPE)range: >= 5.15.0, < 5.15.14
- (no CPE)range: >= 5.16.0, < 5.16.1
- (no CPE)range: < 2.16.0
Patches
Vulnerability mechanics
References
43- www.oracle.com//security-alerts/cpujul2021.htmlnvdPatchThird Party AdvisoryWEB
- www.oracle.com/security-alerts/cpuoct2021.htmlnvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-9mgm-gcq8-86wqghsaADVISORY
- lists.debian.org/debian-lts-announce/2021/03/msg00005.htmlnvdMailing ListThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2021-26117ghsaADVISORY
- security.netapp.com/advisory/ntap-20210304-0008/nvdThird Party Advisory
- www.oracle.com/security-alerts/cpuApr2021.htmlnvdNot ApplicableThird Party AdvisoryWEB
- github.com/apache/activemq/commit/46a774cghsaWEB
- github.com/apache/activemq/commit/73e291693d59a96c0054fc7e7e09c2c67b192911ghsaWEB
- issues.apache.org/jira/browse/AMQ-8035ghsaWEB
- issues.apache.org/jira/browse/ARTEMIS-2895ghsaWEB
- lists.apache.org/thread.html/r110cacfa754471361234965ffe851a046e302ff2693b055f49f47b02%40%3Cissues.activemq.apache.org%3EnvdWEB
- lists.apache.org/thread.html/r110cacfa754471361234965ffe851a046e302ff2693b055f49f47b02@%3Cissues.activemq.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r22cdc0fb45e223ac92bc2ceff7af92f1193dfc614c8b248534456229%40%3Cissues.activemq.apache.org%3EnvdWEB
- lists.apache.org/thread.html/r22cdc0fb45e223ac92bc2ceff7af92f1193dfc614c8b248534456229@%3Cissues.activemq.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r3341d96d8f956e878fb7b463b08d57ca1d58fec9c970aee929b58e0d%40%3Cissues.activemq.apache.org%3EnvdWEB
- lists.apache.org/thread.html/r3341d96d8f956e878fb7b463b08d57ca1d58fec9c970aee929b58e0d@%3Cissues.activemq.apache.org%3EghsaWEB
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- lists.apache.org/thread.html/ra255ddfc8b613b80e9fa22ff3e106168b245f38a22316bfb54d21159%40%3Cissues.activemq.apache.org%3EnvdWEB
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- lists.apache.org/thread.html/rffa5cd05d01c4c9853b17f3004d80ea6eb8856c422a8545c5f79b1a6%40%3Ccommits.activemq.apache.org%3EnvdWEB
- lists.apache.org/thread.html/rffa5cd05d01c4c9853b17f3004d80ea6eb8856c422a8545c5f79b1a6@%3Ccommits.activemq.apache.org%3EghsaWEB
- lists.debian.org/debian-lts-announce/2023/11/msg00013.htmlnvdWEB
- mail-archives.apache.org/mod_mbox/activemq-users/202101.mbox/%3cCAH+vQmMeUEiKN4wYX9nLBbqmFZFPXqajNvBKmzb2V8QZANcSTA%40mail.gmail.com%3envdWEB
- mail-archives.apache.org/mod_mbox/activemq-users/202101.mbox/%3cCAH+vQmMeUEiKN4wYX9nLBbqmFZFPXqajNvBKmzb2V8QZANcSTA@mail.gmail.com%3eghsaWEB
- security.netapp.com/advisory/ntap-20210304-0008ghsaWEB
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