CVEs-PoC/2021/CVE-2021-33197.md

### [CVE-2021-33197](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33197)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&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=n%2Fa&color=brightgreen)

### Description

In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy (from net/http/httputil) result in a situation where an attacker is able to drop arbitrary headers.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/JakubWierzchowski/manier
- https://github.com/agadecki/malware-cryptominer-container
- https://github.com/henriquebesing/container-security
- https://github.com/kb5fls/container-security
- https://github.com/ruzickap/malware-cryptominer-container