CVEs-PoC/2020/CVE-2020-5801.md

### [CVE-2020-5801](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5801)
![](https://img.shields.io/static/v1?label=Product&message=Rockwell%20FactoryTalk%20Linx&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Unauthenticated%20Remote%20DoS&color=brighgreen)

### Description

An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.

### POC

#### Reference
- https://www.tenable.com/security/research/tra-2020-71

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