cve/2021/CVE-2021-3424.md

### [CVE-2021-3424](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3424)
![](https://img.shields.io/static/v1?label=Product&message=keycloak&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-287&color=brighgreen)

### Description

A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/muneebaashiq/MBProjects