### [CVE-2021-20093](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20093)
![](https://img.shields.io/static/v1?label=Product&message=Wibu-Systems%20CodeMeter&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%207.21a%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Buffer%20Over-read&color=brightgreen)

### Description

A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server.

### POC

#### Reference
- https://www.tenable.com/security/research/tra-2021-24

#### Github
- https://github.com/Live-Hack-CVE/CVE-2021-20093