CVE-2020-10657: Proofpoint Insider Threat Management Server

High severity, CVSS 7.2. EPSS: 2.6% chance of exploitation in the next 30 days.

The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in the ITM web console's ImportAlertRules feature. The vulnerability allows a remote attacker (with admin or config-admin privileges in the console) to execute arbitrary code with local administrator privileges. The vulnerability is caused by improper deserialization.

Affected products

• Proofpoint Insider Threat Management Server: before 7.9.1 (fixed in 7.9.1)

Published 2021-01-06. Last modified 2026-06-17.