CVEs-PoC/2021/CVE-2021-3773.md

### [CVE-2021-3773](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3773)
![](https://img.shields.io/static/v1?label=Product&message=kernel&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=kernel%205.14.0-49.el9%2C%20kernel%205.15.15-100.fc34%2C%20kernel%205.15.15-200.fc35%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-200&color=brightgreen)

### Description

A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks.

### POC

#### Reference
- https://www.oracle.com/security-alerts/cpujul2022.html

#### Github
- https://github.com/d0rb/CVE-2021-3773