cve/2020/CVE-2020-21493.md

### [CVE-2020-21493](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21493)
![](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

An issue in the component route\user.php of Xiuno BBS v4.0.4 allows attackers to enumerate usernames.

### POC

#### Reference
- https://github.com/wanghaiwei/xiuno-docker/issues/3
- https://github.com/wanghaiwei/xiuno-docker/issues/3

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