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CVE-2021-26117

Affected software7 products, listed below
Severity7.5 High CVSS 3.1 2 scores
Fixed in5.16.1, 5.15.14
WeaknessImproper authentication (CWE-287)
Published27 Jan 2021
Updated17 Jun 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 5 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 12% chance in 30 days A model's forecast, not a report of exploitation. Higher than 96% of all scored CVEs.

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

A public code fix exists: apache/activemq 46a774c.

  • Protection none
  • Action unverified
  • Review automated Upstream data
  • Record active
Decided by Exploit code for this candidate, published in a reviewed catalogue or a GitHub repository with 5 or more stars, or in use per CISA or VulnCheck; not only a CISA verdict, a forecast, or nothing at all
Finding This CVE is not listed in CISA KEV or VulnCheck KEV, CISA Vulnrichment records no active exploitation, no reviewed exploit catalogue carries an entry for it, and no GitHub PoC repository for it has 5 or more stars. Nobody has published exploit code worth tracing, so it is not a candidate for a rule ahead of the ones where somebody has; an upstream fix path does exist, so the remediation half of the candidacy still holds. This is a statement about what has been published, not about whether the defect is reachable or serious.

CVSS

7.5 HIGH v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N NVD Primary published
CVSS 2.0 5.0 none AV:N/AC:L/Au:N/C:N/I:P/A:N NVD Primary

Affected software and releases

Oracle advisories

AdvisoryTypeQuarterProducts Oracle names in its risk matrix
Oracle Critical Patch Update July 2023 ↗ CPU 2023-Q3 Oracle Fusion Middleware / General (Apache ActiveMQ) (12.2.1.4.0)
Oracle Critical Patch Update July 2021 ↗ CPU 2021-Q3 Oracle Financial Services Applications / Financial Planning (Apache ActiveMQ) (12.0.0, 12.1.0)

Oracle components and versions

FamilyComponentVersions, as Oracle lists themRead as
Oracle Financial Services Applications Financial Planning (Apache ActiveMQ) 12.0.0, 12.1.0 12.0.0 · 12.1.0
Oracle Fusion Middleware General (Apache ActiveMQ) 12.2.1.4.0 12.2.1.4.0

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
org.apache.activemq:activemq-parent 5.16.0 5.16.1 unbounded
org.apache.activemq:activemq-parent 0 5.15.14 unbounded
org.apache.activemq:apache-artemis 0 2.16.0 unbounded

Products and versions

10 products, 13 version entries
SourceVendorProductSchemeAffected versions
nvd apache activemq generic ≥ 5.15.0 and < 5.15.14 · ≥ 5.16.0 and < 5.16.1
nvd apache artemis generic < 2.16.0
nvd debian debian linux generic 9.0
nvd netapp oncommand workflow automation generic any version
nvd oracle communications element manager generic ≥ 8.2.0 and ≤ 8.2.4.0
nvd oracle communications session report manager generic ≥ 8.2.0 and ≤ 8.2.2
nvd oracle communications session route manager generic ≥ 8.0.0 and ≤ 8.2.2
nvd oracle flexcube private banking generic 12.0.0 · 12.1.0
osv org.apache.activemq activemq-parent generic < 5.15.14 · ≥ 5.16.0 and < 5.16.1
osv org.apache.activemq apache-artemis generic < 2.16.0

References

URLTags
https://github.com/apache/activemq/commit/46a774c WEB
https://github.com/apache/activemq/commit/73e291693d59a96c0054fc7e7e09c2c67b192911 WEB
https://issues.apache.org/jira/browse/AMQ-8035 WEB
https://lists.apache.org/thread.html/rd05b1c9d61dbd220664d559aa0e2b55e5830f006a09e82057f3f7863%40%3Cissues.activemq.apache.org%3E WEB
https://lists.apache.org/thread.html/rd05b1c9d61dbd220664d559aa0e2b55e5830f006a09e82057f3f7863@%3Cissues.activemq.apache.org%3E WEB
https://lists.apache.org/thread.html/rd75600cee29cb248d548edcf6338fe296466d63a69e2ed0afc439ec7%40%3Cissues.activemq.apache.org%3E WEB
https://lists.apache.org/thread.html/rd75600cee29cb248d548edcf6338fe296466d63a69e2ed0afc439ec7@%3Cissues.activemq.apache.org%3E WEB
https://lists.apache.org/thread.html/re1b98da90a5f2e1c2e2d50e31c12e2578d61fe01c0737f9d0bd8de99%40%3Cannounce.apache.org%3E WEB
https://lists.apache.org/thread.html/re1b98da90a5f2e1c2e2d50e31c12e2578d61fe01c0737f9d0bd8de99@%3Cannounce.apache.org%3E WEB
https://lists.apache.org/thread.html/rec93794f8aeddf8a5f1a643d264b4e66b933f06fd72a38f31448f0ac%40%3Cgitbox.activemq.apache.org%3E WEB

Timeline

Published2021-01-27By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.