CVEs-PoC/2021/CVE-2021-30780.md

### [CVE-2021-30780](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30780)
![](https://img.shields.io/static/v1?label=Product&message=Security%20Update%20-%20Catalina&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=iOS&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=macOS&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2011.5%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2014.7%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%202021%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%207.6%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=A%20malicious%20application%20may%20be%20able%20to%20gain%20root%20privileges&color=brighgreen)

### Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. A malicious application may be able to gain root privileges.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/p1ay8y3ar/cve_monitor