cve/2020/CVE-2020-12069.md

### [CVE-2020-12069](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12069)
![](https://img.shields.io/static/v1?label=Product&message=CODESYS%20V3%20%20containing%20the%20CmpUserMgr&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=V3%3C%20V3.5.16.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-916%20Use%20of%20Password%20Hash%20With%20Insufficient%20Computational%20Effort&color=brighgreen)

### Description

In CODESYS V3 products in all versions prior V3.5.16.0 containing the CmpUserMgr, the CODESYS Control runtime system stores the online communication passwords using a weak hashing algorithm. This can be used by a local attacker with low privileges to gain full control of the device.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/Live-Hack-CVE/CVE-2020-12069