cve/2021/CVE-2021-33766.md

### [CVE-2021-33766](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33766)
![](https://img.shields.io/static/v1?label=Product&message=Microsoft%20Exchange%20Server%202013%20Cumulative%20Update%2023&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Microsoft%20Exchange%20Server%202016%20Cumulative%20Update%2019&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Microsoft%20Exchange%20Server%202016%20Cumulative%20Update%2020&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Microsoft%20Exchange%20Server%202019%20Cumulative%20Update%208&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Microsoft%20Exchange%20Server%202019%20Cumulative%20Update%209&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=15.00.0%3C%2015.00.1497.015%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=15.01.0%3C%2015.01.2176.012%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=15.01.0%3C%2015.01.2242.008%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=15.02.0%3C%2015.02.0792.013%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=15.02.0%3C%2015.02.0858.010%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Information%20Disclosure&color=brighgreen)

### Description

Microsoft Exchange Server Information Disclosure Vulnerability

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Astrogeorgeonethree/Starred
- https://github.com/Astrogeorgeonethree/Starred2
- https://github.com/Atem1988/Starred
- https://github.com/FDlucifer/Proxy-Attackchain
- https://github.com/Ostorlab/KEV
- https://github.com/Ostorlab/known_exploited_vulnerbilities_detectors
- https://github.com/anquanscan/sec-tools
- https://github.com/bhdresh/About
- https://github.com/bhdresh/CVE-2021-33766
- https://github.com/certat/exchange-scans
- https://github.com/demossl/CVE-2021-33766-ProxyToken
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/r0eXpeR/supplier
- https://github.com/retr0-13/proxy_Attackchain
- https://github.com/sahar55/exploits_pocs