When was CVE-2011-4905 disclosed?

CVE-2011-4905 was first published in the National Vulnerability Database on January 5, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-4905 actively exploited?

CVE-2011-4905 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-4905?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4905, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

CVE-2011-4905

NONENVD 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 94.0%
KEV: Not listed

References (14)

secalert@redhathttp://openwall.com/lists/oss-security/2011/12/25/2
secalert@redhathttp://openwall.com/lists/oss-security/2011/12/25/6
secalert@redhathttp://secunia.com/advisories/47112
secalert@redhathttp://svn.apache.org/viewvc?view=revision&revision=1209700
secalert@redhathttp://svn.apache.org/viewvc?view=revision&revision=1211844
secalert@redhathttp://www.securityfocus.com/bid/50904
secalert@redhathttps://issues.apache.org/jira/browse/AMQ-3294
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2011/12/25/2
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2011/12/25/6
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/47112
af854a3a-2127-422b-91ae-364da2661108http://svn.apache.org/viewvc?view=revision&revision=1209700
af854a3a-2127-422b-91ae-364da2661108http://svn.apache.org/viewvc?view=revision&revision=1211844
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/50904
af854a3a-2127-422b-91ae-364da2661108https://issues.apache.org/jira/browse/AMQ-3294

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CVE-2011-4905

Published

Last Modified

References (14)

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-4905?

CVE-2011-4905

📅 Published

🔄 Last Modified

🔗 References (14)

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-4905?

Published

Last Modified

References (14)

Frequently asked(4)