### [CVE-2017-0885](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0885)
![](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=Information%20Exposure%20Through%20an%20Error%20Message%20(CWE-209)&color=brighgreen)

### Description

Nextcloud Server before 9.0.55 and 10.0.2 suffers from a error message disclosing existence of file in write-only share. Due to an error in the application logic an adversary with access to a write-only share may enumerate the names of existing files and subfolders by comparing the exception messages.

### POC

#### Reference
- https://hackerone.com/reports/174524

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