cve/2021/CVE-2021-38666.md

### [CVE-2021-38666](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38666)
![](https://img.shields.io/static/v1?label=Product&message=Remote%20Desktop%20client%20for%20Windows%20Desktop&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%201507&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%201607&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%201809&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%201909&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%202004&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%2020H2&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2010%20Version%2021H1&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%2011%20version%2021H2&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%207%20Service%20Pack%201&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%207&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%208.1&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202008%20%20Service%20Pack%202&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202008%20R2%20Service%20Pack%201%20(Server%20Core%20installation)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202008%20R2%20Service%20Pack%201&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202008%20Service%20Pack%202%20(Server%20Core%20installation)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202008%20Service%20Pack%202&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202012%20(Server%20Core%20installation)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202012%20R2%20(Server%20Core%20installation)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202012%20R2&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202012&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202016%20(Server%20Core%20installation)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202016&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202019%20(Server%20Core%20installation)&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202019&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%202022&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%20version%202004&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Windows%20Server%20version%2020H2&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=10.0.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.0.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.1.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.2.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.3.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=N%2FA%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Remote%20Code%20Execution&color=brightgreen)

### Description

Remote Desktop Client Remote Code Execution Vulnerability

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/DanielEbert/winafl
- https://github.com/DarkSprings/CVE-2021-38666-poc
- https://github.com/Team-BT5/WinAFL-RDP
- https://github.com/bacon-tomato-spaghetti/WinAFL-RDP
- https://github.com/fardeen-ahmed/Bug-bounty-Writeups
- https://github.com/googleprojectzero/winafl
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/soosmile/POC
- https://github.com/ssumachai/CS182-Project
- https://github.com/yrime/WinAflCustomMutate