CVEs-PoC/2021/CVE-2021-34578.md

### [CVE-2021-34578](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34578)
![](https://img.shields.io/static/v1?label=Product&message=PLC&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=750-362%3C%3D%20FW07%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-287%20Improper%20Authentication&color=brighgreen)

### Description

This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07.

### POC

#### Reference
- https://cert.vde.com/en-us/advisories/vde-2020-044

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