CVE-2020-10655

CVE-2020-10655 is a critical deserialization vulnerability affecting Proofpoint Insider Threat Management Server (formerly ObserveIT Server) versions prior to 7.9.1. This flaw allows an unauthenticated, remote attacker to execute arbitrary code with local administrator privileges on the affected server. With a CVSS score of 9.8 (Critical), it presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness.