CVEs-PoC/2021/CVE-2021-1236.md

### [CVE-2021-1236](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1236)
![](https://img.shields.io/static/v1?label=Product&message=Cisco%20Firepower%20Threat%20Defense%20Software&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-670&color=brightgreen)

### Description

Multiple Cisco products are affected by a vulnerability in the Snort application detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. The vulnerability is due to a flaw in the detection algorithm. An attacker could exploit this vulnerability by sending crafted packets that would flow through an affected system. A successful exploit could allow the attacker to bypass the configured policies and deliver a malicious payload to the protected network.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/n0-traces/cve_monitor