Auth bypass in Apache Activemq

CVE-2021-26117

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…

Vulnerability class: Broken Authentication

EPSS: 0.112 (95.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-26117?
CVE-2021-26117 is a high-severity vulnerability in Apache Activemq, classified under Improper Authentication. CVSS score: 7.5/10. Published 2021-01-27.
How severe is CVE-2021-26117?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-26117 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.