This Metasploit module exploits 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 less than 15.00.1497.012, Exchange 2016 CU18 less than 15.01.2106.013, Exchange 2016 CU19 less than 15.01.2176.009, Exchange 2019 CU7 less than 15.02.0721.013, and Exchange 2019 CU8 less than 15.02.0792.010. All components are vulnerable by default.
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