This past week, security researchers discussed several ProxyShell vulnerabilities, including those which might be exploited on unpatched Exchange servers to deploy ransomware or conduct other post-ex...
Updated Aug 26, 2021
Version 2.0
Blog Post
I'm running Exchange 2016 CU19 and have had April/May Exchange SUs installed since they were released. Am I vulnerable to ProxyShell? Installing CU21 is a priority for me, but I'm not losing sleep over ProxyShell. Unless there is an undisclosed vulnerability in CU19?! (I know I am missing July SU)