### [CVE-2017-0894](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0894)
![](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%20Directory%20Listing%20(CWE-285)&color=brighgreen)

### Description

Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.

### POC

#### Reference
- https://hackerone.com/reports/218876

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