### [CVE-2021-20123](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20123)
![](https://img.shields.io/static/v1?label=Product&message=Draytek%20VigorConnect&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=1.6.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=1.6.0-B3%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Path%20Traversal&color=brightgreen)

### Description

A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.

### POC

#### Reference
- https://www.tenable.com/security/research/tra-2021-42

#### Github
- https://github.com/20142995/nuclei-templates
- https://github.com/ARPSyndicate/kenzer-templates
- https://github.com/Ostorlab/KEV