CVE-2012-4387: Apache Struts

Medium severity, CVSS 5.0. EPSS: 8.1% chance of exploitation in the next 30 days.

Apache Struts 2.0.0 through 2.3.4 allows remote attackers to cause a denial of service (CPU consumption) via a long parameter name, which is processed as an OGNL expression.

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 2012-09-05. Last modified 2026-06-16.