### [CVE-2021-22119](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22119)
![](https://img.shields.io/static/v1?label=Product&message=Spring%20Security&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-400%3A%20Uncontrolled%20Resource%20Consumption&color=brighgreen)

### Description

Spring Security versions 5.5.x prior to 5.5.1, 5.4.x prior to 5.4.7, 5.3.x prior to 5.3.10 and 5.2.x prior to 5.2.11 are susceptible to a Denial-of-Service (DoS) attack via the initiation of the Authorization Request in an OAuth 2.0 Client Web and WebFlux application. A malicious user or attacker can send multiple requests initiating the Authorization Request for the Authorization Code Grant, which has the potential of exhausting system resources using a single session or multiple sessions.

### POC

#### Reference
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Dzmitry-Basiachenka/dist-foreign-aliakh
- https://github.com/k0mi-tg/CVE-POC
- https://github.com/manas3c/CVE-POC
- https://github.com/mari6274/oauth-client-exploit
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/soosmile/POC
- https://github.com/whoforget/CVE-POC
- https://github.com/youwizard/CVE-POC