RULE（RULE ID：320739）

Rule General Information
Release Date: 2018-05-14
Rule Name: Apache Struts Dynamic Method Invocation Remote Code Execution Vulnerability -4 (CVE-2016-3081)
Severity:
CVE ID:
Rule Protection Details
Description: Apache Struts 2.x before 2.3.20.2, 2.3.24.x before 2.3.24.2, and 2.3.28.x before 2.3.28.1, when Dynamic Method Invocation is enabled, allow remote attackers to execute arbitrary code via method: prefix, related to chained expressions.
Impact: An attacker can execute arbitrary code via a successful exploit in the context of the vulnerable software.
Affected OS: Network Device, Solaris, FreeBSD, Windows, Mac OS, Other Unix, Linux, Others
Reference: SecurityFocusBID:87327
SecurityFocusBID:91787
SecurityTrackerID:1035665
https://struts.apache.org/docs/s2-032.html
ExploitDB:39756
Solutions
Disable Dynamic Method Invocation if possible. Alternatively upgrade to Struts 2.3.20.3, Struts 2.3.24.3 or Struts 2.3.28.1.