module

Microsoft Exchange ProxyLogon RCE

Disclosed
Mar 2, 2021
Created
Mar 23, 2021

Description

This module exploit a vulnerability on Microsoft Exchange Server that
allows an attacker bypassing the authentication, impersonating as the
admin (CVE-2021-26855) and write arbitrary file (CVE-2021-27065) to get
the RCE (Remote Code Execution).

By taking advantage of this vulnerability, you can execute arbitrary
commands on the remote Microsoft Exchange Server.

This vulnerability affects (Exchange 2013 Versions
Exchange 2016 CU18 Exchange 2019 CU7
All components are vulnerable by default.

Authors

Orange Tsai
Jang ( Jang (@testanull)
mekhalleh (RAMELLA Sébastien)
print("")
lotusdll
Praetorian

Platform

Windows

Architectures

x64, x86, cmd

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':


msf > use exploit/windows/http/exchange_proxylogon_rce
msf exploit(exchange_proxylogon_rce) > show targets
...targets...
msf exploit(exchange_proxylogon_rce) > set TARGET < target-id >
msf exploit(exchange_proxylogon_rce) > show options
...show and set options...
msf exploit(exchange_proxylogon_rce) > exploit

Title
Rapid7 Labs

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