cve/2021/CVE-2021-21000.md

### [CVE-2021-21000](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21000)
![](https://img.shields.io/static/v1?label=Product&message=Series%20Ethernet%20Controller&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Series%20PFC200%20Controller&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=750-8202%2Fxxx-xxx%3C%2003.06.19%20(18)%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=750-823%3C%3D%20FW07%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-770%20Allocation%20of%20Resources%20Without%20Limits%20or%20Throttling&color=brighgreen)

### Description

On WAGO PFC200 devices in different firmware versions with special crafted packets an attacker with network access to the device could cause a denial of service for the login service of the runtime.

### POC

#### Reference
- https://cert.vde.com/en-us/advisories/vde-2021-014
- https://cert.vde.com/en-us/advisories/vde-2021-014

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