cve/2020/CVE-2020-28391.md

### [CVE-2020-28391](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28391)
![](https://img.shields.io/static/v1?label=Product&message=SCALANCE%20X-200%20switch%20family%20(incl.%20SIPLUS%20NET%20variants)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=SCALANCE%20X-200IRT%20switch%20family%20(incl.%20SIPLUS%20NET%20variants)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=SCALANCE%20X-200RNA%20switch%20family&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-321%3A%20Use%20of%20Hard-coded%20Cryptographic%20Key&color=brighgreen)

### Description

A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0), SCALANCE X-200RNA switch family (All versions < V3.2.7). Devices create a new unique key upon factory reset, except when used with C-PLUG. When used with C-PLUG the devices use the hardcoded private RSA-key shipped with the firmware-image. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/Live-Hack-CVE/CVE-2020-28391