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Fencer Intel
medium 5.0

CVE-2015-6524 json

Improper Input Validation in Apache ActiveMQ

published 2015-08-24 11 y ago modified 2026-06-17 4 mo ago also GHSA-23cr-5hr4-rgwv , EUVD-2022-1890

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.2%
EPSS 8.2% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

The LDAPLoginModule implementation in the Java Authentication and Authorization Service (JAAS) in Apache ActiveMQ 5.x before 5.10.1 allows wildcard operators in usernames, which allows remote attackers to obtain credentials via a brute force attack. NOTE: this identifier was SPLIT from CVE-2014-3612 per ADT2 due to different vulnerability types.

Patch / fix

  • maven org.apache.activemq:activemq-broker 5.10.2
  • maven org.apache.activemq:activemq-jaas 5.10.2
  • activemq Debian 13, Debian 12 5.6.0+dfsg1-4

debian advisories DEBIAN-CVE-2015-6524

  • activemq Ubuntu 14.04 LTS 5.6.0+dfsg-1+deb7u1build0.14.04.1

ubuntu advisories UBUNTU-CVE-2015-6524

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-6524 updated cvss 4.9

activemq: LDAPLoginModule implementation allows wildcard operators in usernames

  • Red Hat JBoss Fuse Service Works 6 activemq activemq Red Hat OpenShift Enterprise 2 activemq activemq
    affected: no fix available
  • Red Hat JBoss A-MQ 6 activemq activemq Red Hat JBoss Fuse 6 activemq activemq
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

8.24% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven org.apache.activemq:activemq-broker
>=5.0.0, <5.10.2
5.10.2
maven org.apache.activemq:activemq-jaas
>=5.0.0, <5.10.2
5.10.2

Classification

Weakness
  • CWE-255 Credentials Management Errors
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.