CVEs-PoC/2020/CVE-2020-8133.md

### [CVE-2020-8133](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8133)
![](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=Violation%20of%20Secure%20Design%20Principles%20(CWE-657)&color=brighgreen)

### Description

A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file.

### POC

#### Reference
- https://hackerone.com/reports/661051

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