### [CVE-2017-0884](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0884)
![](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=Permission%20Issues%20(CWE-275)&color=brighgreen)

### Description

Nextcloud Server before 9.0.55 and 10.0.2 suffers from a creation of folders in read-only folders despite lacking permissions issue. Due to a logical error in the file caching layer an authenticated adversary is able to create empty folders inside a shared folder. Note that this only affects folders and files that the adversary has at least read-only permissions for.

### POC

#### Reference
- https://hackerone.com/reports/169680

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