CVE-2020-0688 is a memory corruption vulnerability impacting Microsoft Exchange. A Metasploit module was observed in open source and subsequently shared in the underground. Security researchers claimed the vulnerability was used in targeted attacks by Egregor ransomware.
PoC Links(if available):
Packet Storm Metasploit module –
Known Counter Measures:
Microsoft addressed the vulnerability in a security update by correcting how Microsoft Exchange creates the keys during install.
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Links to patches(if available)