cve/2019/CVE-2019-5453.md

### [CVE-2019-5453](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5453)
![](https://img.shields.io/static/v1?label=Product&message=com.nextcloud.client&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Authentication%20Bypass%20Using%20an%20Alternate%20Path%20or%20Channel%20(CWE-288)&color=brighgreen)

### Description

Bypass lock protection in the Nextcloud Android app prior to version 3.3.0 allowed access to files when being prompted for the lock protection and switching to the Nextcloud file provider.

### POC

#### Reference
- https://hackerone.com/reports/331489

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