cve/2022/CVE-2022-30111.md

### [CVE-2022-30111](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-30111)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

Due to the use of an insecure algorithm for rolling codes in MCK Smartlock 1.0, allows attackers to unlock the mechanism via replay attacks.

### POC

#### Reference
- https://tiger-team-1337.blogspot.com/2022/05/rf-remote-mck-lock-predictable-rolling.html
- https://tiger-team-1337.blogspot.com/2022/05/rf-remote-mck-lock-predictable-rolling.html
- https://www.youtube.com/watch?v=EruaGuE-cWI
- https://www.youtube.com/watch?v=EruaGuE-cWI

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