Is CVE-2015-6524 in the CISA KEV catalog?

No. CVE-2015-6524 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-6524?

CVE-2015-6524 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2015-6524?

CVE-2015-6524 has an EPSS score of 8.47% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-6524?

Upgrade activemq on debian 11 to 5.6.0+dfsg1-4 or later.

CVE & CISA-KEV Catalog

CVE-2015-6524

MEDIUMEPSS 94th pctl

5.0

CVSS v2

NVD

Description

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.

CWE-255

How to fix

Remediation Available

activemqDebian

Fixed in:5.6.0+dfsg1-4CVE-2015-6524

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

8.47%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Vendor Advisory1

activemq.apache.org

Third-Party Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.