cve/2021/CVE-2021-30892.md

### [CVE-2021-30892](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30892)
![](https://img.shields.io/static/v1?label=Product&message=macOS&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2011.6%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2012.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%202021%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=A%20malicious%20application%20may%20be%20able%20to%20modify%20protected%20parts%20of%20the%20file%20system&color=brighgreen)

### Description

An inherited permissions issue was addressed with additional restrictions. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to modify protected parts of the file system.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/houjingyi233/macOS-iOS-system-security
- https://github.com/yo-yo-yo-jbo/yo-yo-yo-jbo.github.io