THREATPORT/VULNERABILITY/CVE-2011-4905
MEDIUM SEVERITY

CVE-2011-4905

Activemq vulnerability

CVSS
5.0
EPSS
9.0%
EPSS pct
95th
Exploited
No known
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.
Affected vendor
Apache
Affected product
Activemq
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness type (CWE)
Published
2012-01-05

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 9.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2011-4905

  • Confirm whether Apache Activemq is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2011-4905.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-4905

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-4905 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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