CVEs-PoC/2021/CVE-2021-31842.md

### [CVE-2021-31842](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31842)
![](https://img.shields.io/static/v1?label=Product&message=McAfee%20Endpoint%20Security%20(ENS)%20for%20WIndows&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2010.7.0%20September%202021%20Update%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-776%3A%20Improper%20Restriction%20of%20Recursive%20Entity%20References%20in%20DTDs%20('XML%20Entity%20Expansion')&color=brighgreen)

### Description

XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process.

### POC

#### Reference
- https://kc.mcafee.com/corporate/index?page=content&id=SB10367

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