### [CVE-2012-0838](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0838) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=%3D%20n%2Fa%20&color=brighgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description Apache Struts 2 before 2.2.3.1 evaluates a string as an OGNL expression during the handling of a conversion error, which allows remote attackers to modify run-time data values, and consequently execute arbitrary code, via invalid input to a field. ### POC #### Reference No PoCs from references. #### Github - https://github.com/0day666/Vulnerability-verification - https://github.com/ARPSyndicate/cvemon - https://github.com/SexyBeast233/SecBooks - https://github.com/Zero094/Vulnerability-verification - https://github.com/ice0bear14h/struts2scan - https://github.com/superlink996/chunqiuyunjingbachang - https://github.com/woods-sega/woodswiki