CVE-2015-5209: Apache Struts

High severity, CVSS 7.5. EPSS: 9.1% chance of exploitation in the next 30 days.

Apache Struts 2.x before 2.3.24.1 allows remote attackers to manipulate Struts internals, alter user sessions, or affect container settings via vectors involving a top object.

Affected products

• Apache Struts: version 2.0.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; version 2.0.5 only; …

Published 2017-08-29. Last modified 2026-06-17.