### [CVE-2013-2135](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-2135)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

Apache Struts 2 before 2.3.14.3 allows remote attackers to execute arbitrary OGNL code via a request with a crafted value that contains both "${}" and "%{}" sequences, which causes the OGNL code to be evaluated twice.

### POC

#### Reference
- http://struts.apache.org/development/2.x/docs/s2-015.html
- http://www.oracle.com/technetwork/topics/security/cpuoct2013-1899837.html
- https://cwiki.apache.org/confluence/display/WW/S2-015

#### 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/linchong-cmd/BugLists
- https://github.com/superlink996/chunqiuyunjingbachang
- https://github.com/woods-sega/woodswiki