cve/2021/CVE-2021-20998.md

### [CVE-2021-20998](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20998)
![](https://img.shields.io/static/v1?label=Product&message=0852-0303&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=0852-1305%2F000-001&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=0852-1305&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=0852-1505%2F000-001&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=0852-1505&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%3D%20V1.0.4.S0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%3D%20V1.1.6.S0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%3D%20V1.1.7.S0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%3D%20V1.2.3.S0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-306%20Missing%20Authentication%20for%20Critical%20Function&color=brighgreen)

### Description

In multiple managed switches by WAGO in different versions without authorization and with specially crafted packets it is possible to create users.

### POC

#### Reference
- https://cert.vde.com/en-us/advisories/vde-2021-013

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