cve/2021/CVE-2021-42321.md

### [CVE-2021-42321](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42321)
![](https://img.shields.io/static/v1?label=Product&message=Microsoft%20Exchange%20Server%202016%20Cumulative%20Update%2021&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Microsoft%20Exchange%20Server%202016%20Cumulative%20Update%2022&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Microsoft%20Exchange%20Server%202019%20Cumulative%20Update%2010&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Microsoft%20Exchange%20Server%202019%20Cumulative%20Update%2011&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=15.0.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=15.01.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=15.02.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Remote%20Code%20Execution&color=brightgreen)

### Description

Microsoft Exchange Server Remote Code Execution Vulnerability

### POC

#### Reference
- http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html

#### Github
- https://github.com/0x0021h/expbox
- https://github.com/0x7n6/OSCP
- https://github.com/0xStrygwyr/OSCP-Guide
- https://github.com/0xZipp0/OSCP
- https://github.com/0xsyr0/OSCP
- https://github.com/20142995/sectool
- https://github.com/7BitsTeam/CVE-2022-23277
- https://github.com/7BitsTeam/exch_CVE-2021-42321
- https://github.com/AMatheusFeitosaM/OSCP-Cheat
- https://github.com/ARPSyndicate/cvemon
- https://github.com/AdamCrosser/awesome-vuln-writeups
- https://github.com/DarkSprings/CVE-2021-42321
- https://github.com/Deep-Bagchi/ysoserial.net
- https://github.com/EnriqueSanchezdelVillar/NotesHck
- https://github.com/FDlucifer/Proxy-Attackchain
- https://github.com/Faizan-Khanx/OSCP
- https://github.com/Ly0nt4r/OSCP
- https://github.com/Mr-xn/Penetration_Testing_POC
- https://github.com/NaInSec/CVE-PoC-in-GitHub
- https://github.com/Ostorlab/KEV
- https://github.com/Ostorlab/known_exploited_vulnerbilities_detectors
- https://github.com/ReflectedThanatos/OSCP-cheatsheet
- https://github.com/SYRTI/POC_to_review
- https://github.com/SantoriuHen/NotesHck
- https://github.com/SenukDias/OSCP_cheat
- https://github.com/SirElmard/ethical_hacking
- https://github.com/SohelParashar/.Net-Deserialization-Cheat-Sheet
- https://github.com/TrojanAZhen/Self_Back
- https://github.com/UNC1739/awesome-vulnerability-research
- https://github.com/VishuGahlyan/OSCP
- https://github.com/WhooAmii/POC_to_review
- https://github.com/Y4er/dotnet-deserialization
- https://github.com/e-hakson/OSCP
- https://github.com/eljosep/OSCP-Guide
- https://github.com/exfilt/CheatSheet
- https://github.com/f0ur0four/Insecure-Deserialization
- https://github.com/fazilbaig1/oscp
- https://github.com/gmeier909/exchange_tools
- https://github.com/hktalent/bug-bounty
- https://github.com/hktalent/ysoserial.net
- https://github.com/irsdl/ysonet
- https://github.com/jitmondal1/OSCP
- https://github.com/kgwanjala/oscp-cheatsheet
- https://github.com/lions2012/Penetration_Testing_POC
- https://github.com/mandiant/heyserial
- https://github.com/nitishbadole/oscp-note-3
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/oscpname/OSCP_cheat
- https://github.com/parth45/cheatsheet
- https://github.com/puckiestyle/ysoserial.net
- https://github.com/pwntester/ysoserial.net
- https://github.com/retr0-13/proxy_Attackchain
- https://github.com/revanmalang/OSCP
- https://github.com/secret-arrow/ysoserial.net
- https://github.com/soosmile/POC
- https://github.com/timb-machine-mirrors/CVE-2021-42321_poc
- https://github.com/timb-machine-mirrors/testanull-CVE-2021-42321_poc.py
- https://github.com/trhacknon/Pocingit
- https://github.com/txuswashere/OSCP
- https://github.com/winterwolf32/CVE-S---Penetration_Testing_POC-
- https://github.com/xhref/OSCP
- https://github.com/xnyuq/cve-2021-42321
- https://github.com/xuetusummer/Penetration_Testing_POC
- https://github.com/zecool/cve