CVE-2020-28653: Zohocorp ManageEngine Opmanager

Critical severity, CVSS 9.8. EPSS: 78.7% chance of exploitation in the next 30 days.

Zoho ManageEngine OpManager Stable build before 125203 (and Released build before 125233) allows Remote Code Execution via the Smart Update Manager (SUM) servlet.

Affected products

• Zohocorp ManageEngine Opmanager: before 12.5 (fixed in 12.5); version 12.5 only

Published 2021-02-03. Last modified 2026-06-17.