### [CVE-2021-44554](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44554)
![](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

Thinfinity VirtualUI before 3.0 allows a malicious actor to enumerate users registered in the OS (Windows) through the /changePassword URI. By accessing the vector, an attacker can determine if a username exists thanks to the message returned; it can be presented in different languages according to the configuration of VirtualUI. Common users are administrator, admin, guest and krgtbt.

### POC

#### Reference
- https://github.com/cybelesoft/virtualui/issues/1

#### Github
- https://github.com/20142995/nuclei-templates
- https://github.com/cyb3r-w0lf/nuclei-template-collection