CVEs-PoC/2020/CVE-2020-5726.md

### [CVE-2020-5726](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5726)
![](https://img.shields.io/static/v1?label=Product&message=Grandstream%20UCM6200%20series&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=SQL%20Injection%20(CWE-89)&color=brighgreen)

### Description

The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the CTI server on port 8888. A remote unauthenticated attacker can invoke the challenge action with a crafted username and discover user passwords.

### POC

#### Reference
- http://packetstormsecurity.com/files/156977/Grandstream-UCM6200-Series-CTI-Interface-SQL-Injection.html
- https://www.tenable.com/security/research/tra-2020-17

#### Github
- https://github.com/ARPSyndicate/cvemon