ID:7791 - Exploit for Deserialization of untrusted data in Microsoft Exchange Server - CVE-2020-0688

Link to public exploit:

Vulnerability description

The vulnerability allows a remote attacker to execute arbitrary on the system.

The vulnerability exists due to an input validation error within the Microsoft Exchange OCP interface when processing VIEWSTATE data. A remote authenticated attacker can send a specially crafted HTTP request to a vulnerable Exchange server and execute arbitrary code on the target system.

Note, this vulnerability is being actively exploited in the wild.

Remediation