CVE-2021-20136: Zohocorp ManageEngine LOG360

Critical severity, CVSS 9.8. EPSS: 10.8% chance of exploitation in the next 30 days.

ManageEngine Log360 Builds < 5235 are affected by an improper access control vulnerability allowing database configuration overwrite. An unauthenticated remote attacker can send a specially crafted message to Log360 to change its backend database to an attacker-controlled database and to force Log360 to restart. An attacker can leverage this vulnerability to achieve remote code execution by replacing files executed by Log360 on startup.

Affected products

• Zohocorp ManageEngine LOG360: up to and including 5.2; version 5.3 only

Published 2021-11-01. Last modified 2026-06-17.