cve/2012/CVE-2012-4431.md

### [CVE-2012-4431](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4431)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

org/apache/catalina/filters/CsrfPreventionFilter.java in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.32 allows remote attackers to bypass the cross-site request forgery (CSRF) protection mechanism via a request that lacks a session identifier.

### POC

#### Reference
- http://rhn.redhat.com/errata/RHSA-2013-1437.html

#### Github
- https://github.com/ARPSyndicate/cve-scores
- https://github.com/imjdl/CVE-2012-4431