CVE-2021-37421: Zohocorp ManageEngine Adselfservice Plus

Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days.

Zoho ManageEngine ADSelfService Plus 6103 and prior is vulnerable to admin portal access-restriction bypass.

Affected products

• Zohocorp ManageEngine Adselfservice Plus: before 6.1 (fixed in 6.1); version 6.1 only

Published 2021-08-30. Last modified 2026-06-17.