CVE-2021-44077: Zoho ManageEngine ServiceDesk Plus Remote Code Execution Vulnerability

Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2021-12-01. EPSS: 93.3% chance of exploitation in the next 30 days.

Zoho ManageEngine ServiceDesk Plus before 11306, ServiceDesk Plus MSP before 10530, and SupportCenter Plus before 11014 are vulnerable to unauthenticated remote code execution. This is related to /RestAPI URLs in a servlet, and ImportTechnicians in the Struts configuration.

Affected products

• Zohocorp ManageEngine ServiceDesk Plus: before 11.1 (fixed in 11.1); version 11.1 only; version 11.2 only; version 11.3 only
• Zohocorp ManageEngine ServiceDesk Plus Msp: before 10.5 (fixed in 10.5); version 10.5 only
• Zohocorp ManageEngine SupportCenter Plus: before 11.0 (fixed in 11.0); version 11.0 only

Published 2021-11-29. Last modified 2026-06-17.