CVEs-PoC/2021/CVE-2021-23259.md

### [CVE-2021-23259](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23259)
![](https://img.shields.io/static/v1?label=Product&message=Crafter%20CMS&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=3.1%3C%203.1.12%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-913%20Improper%20Control%20of%20Dynamically-Managed%20Code%20Resources&color=brighgreen)

### Description

Authenticated users with Administrator or Developer roles may execute OS commands by Groovy Script which uses Groovy lib to render a webpage. The groovy script does not have security restrictions, which will cause attackers to execute arbitrary commands remotely(RCE).

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Hax0rG1rl/my_cve_and_bounty_poc
- https://github.com/happyhacking-k/happyhacking-k
- https://github.com/happyhacking-k/my_cve_and_bounty_poc