CVEs-PoC/2020/CVE-2020-9991.md

### [CVE-2020-9991](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9991)
![](https://img.shields.io/static/v1?label=Product&message=iCloud%20for%20Windows&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=iOS%20and%20iPadOS&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=macOS&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=tvOS&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=watchOS&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2011.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2014.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%207.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%207.21%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=A%20remote%20attacker%20may%20be%20able%20to%20cause%20a%20denial%20of%20service&color=brighgreen)

### Description

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iCloud for Windows 7.21, tvOS 14.0. A remote attacker may be able to cause a denial of service.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/dispera/giant-squid