cve/2004/CVE-2004-2646.md

### [CVE-2004-2646](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-2646)
![](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

The addUser function in UserManager.java in Free Web Chat 2.0 allows remote attackers to cause a denial of service (uncaught NullPointerException) via unknown attack vectors that cause the usrName variable to be null.

### POC

#### Reference
- http://marc.info/?l=bugtraq&m=109164397601049&w=2

#### Github
No PoCs found on GitHub currently.