cve/2017/CVE-2017-18883.md

### [CVE-2017-18883](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18883)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2, when serving as an OAuth 2.0 Service Provider. There is low entropy for authorization data.

### POC

#### Reference
- https://mattermost.com/security-updates/

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