### [CVE-2020-8236](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8236)
![](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=Improper%20Authentication%20-%20Generic%20(CWE-287)&color=brighgreen)

### Description

A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it.

### POC

#### Reference
- https://hackerone.com/reports/924393
- https://hackerone.com/reports/924393

#### Github
- https://github.com/Live-Hack-CVE/CVE-2020-8236