cve/2021/CVE-2021-30468.md

### [CVE-2021-30468](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30468)
![](https://img.shields.io/static/v1?label=Product&message=Apache%20CXF&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Apache%20CXF%3C%203.4.4%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-400%20Uncontrolled%20Resource%20Consumption&color=brighgreen)

### Description

A vulnerability in the JsonMapObjectReaderWriter of Apache CXF allows an attacker to submit malformed JSON to a web service, which results in the thread getting stuck in an infinite loop, consuming CPU indefinitely. This issue affects Apache CXF versions prior to 3.4.4; Apache CXF versions prior to 3.3.11.

### POC

#### Reference
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpuoct2021.html

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