cve/2022/CVE-2022-0547.md

### [CVE-2022-0547](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0547)
![](https://img.shields.io/static/v1?label=Product&message=OpenVPN&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-305%20-%20Authentication%20Bypass%20by%20Primary%20Weakness&color=brighgreen)

### Description

OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred authentication replies, which allows an external user to be granted access with only partially correct credentials.

### POC

#### Reference
No PoCs from references.

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