CVEs-PoC/2020/CVE-2020-8139.md

### [CVE-2020-8139](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8139)
![](https://img.shields.io/static/v1?label=Product&message=Nextcloud%20Server&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Improper%20Access%20Control%20-%20Generic%20(CWE-284)&color=brighgreen)

### Description

A missing access control check in Nextcloud Server < 18.0.1, < 17.0.4, and < 16.0.9 causes hide-download shares to be downloadable when appending /download to the URL.

### POC

#### Reference
- https://hackerone.com/reports/788257

#### Github
No PoCs found on GitHub currently.