Apache Struts Improper Input Validation Vulnerability

Known Exploited Vulnerability

CVE-2013-2251, Apache Struts Improper Input Validation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Apache Struts allows remote attackers to execute arbitrary Object-Graph Navigation Language (OGNL) expressions.

The following remediation steps are recommended / required by April 15, 2022: Apply updates per vendor instructions.