This module scan for a vulnerability on Microsoft Exchange Server that allows an attacker bypassing the authentication and impersonating as the admin (CVE-2021-26855).
By chaining this bug with another post-auth arbitrary-file-write vulnerability to get code execution (CVE-2021-27065).
As a result, an unauthenticated attacker can execute arbitrary commands on Microsoft Exchange Server.
This vulnerability affects (Exchange 2013 Versions < 15.00.1497.012, Exchange 2016 CU18 < 15.01.2106.013, Exchange 2016 CU19 < 15.01.2176.009, Exchange 2019 CU7 < 15.02.0721.013, Exchange 2019 CU8 < 15.02.0792.010).
All components are vulnerable by default.
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
msf > use auxiliary/scanner/http/exchange/proxylogonmsf undefined(proxylogon) > show actions ...actions...msf undefined(proxylogon) > set ACTION < action-name >msf undefined(proxylogon) > show options ...show and set options...msf undefined(proxylogon) > runWith curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
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