cve/2021/CVE-2021-30731.md

### [CVE-2021-30731](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30731)
![](https://img.shields.io/static/v1?label=Product&message=macOS&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2011.4%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=An%20unprivileged%20application%20may%20be%20able%20to%20capture%20USB%20devices&color=brighgreen)

### Description

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-004 Catalina. An unprivileged application may be able to capture USB devices.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/NaInSec/CVE-PoC-in-GitHub
- https://github.com/SYRTI/POC_to_review
- https://github.com/WhooAmii/POC_to_review
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/osy/WebcamViewer
- https://github.com/trhacknon/Pocingit
- https://github.com/zecool/cve