CVE-2021-37415
Zoho ManageEngine ServiceDesk Authentication Bypass Vulnerability
Zoho · ManageEngine ServiceDesk Plus (SDP)
Vulnerability details
Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication
Added to CISA KEV: 2021-12-01
Ransomware campaign use: Unknown
CISA due date: 2021-12-15
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC