cve/2019/CVE-2019-5451.md

### [CVE-2019-5451](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5451)
![](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 3.6.1 allows accessing the files when repeatedly opening and closing the app in a very short time.

### POC

#### Reference
- https://hackerone.com/reports/507172

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