cve/2023/CVE-2023-33921.md

### [CVE-2023-33921](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-33921)
![](https://img.shields.io/static/v1?label=Product&message=CP-8031%20MASTER%20MODULE&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=CP-8050%20MASTER%20MODULE&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20All%20versions%20%3C%20CPCI85%20V05%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-749%3A%20Exposed%20Dangerous%20Method%20or%20Function&color=brighgreen)

### Description

A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05), CP-8050 MASTER MODULE (All versions < CPCI85 V05). The affected devices contain an exposed UART console login interface. An attacker with direct physical access could try to bruteforce or crack the root password to login to the device.

### POC

#### Reference
- http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html
- http://seclists.org/fulldisclosure/2023/Jul/14

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