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CVE-2011-4905

MEDIUM · CVSS 5.0EPSS 8.5%EU EUVD

Apache ActiveMQ before 5.6.0 allows remote attackers to cause a denial of service (file-descriptor exhaustion and broker crash or hang) by sending many openwire failover:tcp:// connection requests.

Key facts

CVSS score
5.0 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE)
CWE-399
EPSS score
8.5% (95th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2022-3455)
Published
January 5, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2022-3455 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq
  • apache / activemq

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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