CVEs-PoC/2021/CVE-2021-21686.md

### [CVE-2021-21686](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21686)
![](https://img.shields.io/static/v1?label=Product&message=Jenkins&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%3C%3D%202.318%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

File path filters in the agent-to-controller security subsystem of Jenkins 2.318 and earlier, LTS 2.303.2 and earlier do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon