cve/2012/CVE-2012-0838.md

### [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