cve/2020/CVE-2020-3931.md

### [CVE-2020-3931](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3931)
![](https://img.shields.io/static/v1?label=Product&message=Door%20Access%20Control%20Device&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=GV-AS210%3C%3D%202.21%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-120%20Buffer%20Overflow&color=brighgreen)

### Description

Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command.

### POC

#### Reference
- https://www.acronis.com/en-us/blog/posts/backdoor-wide-open-critical-vulnerabilities-uncovered-geovision

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