CVEs-PoC/2021/CVE-2021-20039.md

### [CVE-2021-20039](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20039)
![](https://img.shields.io/static/v1?label=Product&message=SonicWall%20SMA100&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-78%3A%20Improper%20Neutralization%20of%20Special%20Elements%20used%20in%20an%20OS%20Command%20('OS%20Command%20Injection')&color=brighgreen)

### Description

Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.

### POC

#### Reference
- http://packetstormsecurity.com/files/165563/SonicWall-SMA-100-Series-Authenticated-Command-Injection.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/H4lo/awesome-IoT-security-article
- https://github.com/jbaines-r7/badblood