cve/2023/CVE-2023-3597.md

### [CVE-2023-3597](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3597)
![](https://img.shields.io/static/v1?label=Product&message=RHSSO%207.6.8&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Red%20Hat%20build%20of%20Keycloak%2022&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Red%20Hat%20build%20of%20Keycloak%2022.0.10&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&color=brighgreen)

### Description

A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds