### [CVE-2021-3967](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3967)
![](https://img.shields.io/static/v1?label=Product&message=zulip%2Fzulip&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%204.10%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-284%20Improper%20Access%20Control&color=brighgreen)

### Description

Improper Access Control in GitHub repository zulip/zulip prior to 4.10.

### POC

#### Reference
- https://huntr.dev/bounties/2928a625-0467-4a0a-b4e2-e27322786686

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/nhiephon/Research