Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 93.3%; technical severity is CVSS 9.8.
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.
Who should care
- Teams operating ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus, Manageengine Servicedesk Plus, Manageengine Servicedesk Plus Msp +1 more
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus, Manageengine Servicedesk Plus, Manageengine Servicedesk Plus Msp +1 more is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Apply updates per vendor instructions.
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Vendor remediation
Patch and remediation links
Use the vendor source below to confirm the correct fixed version, package or mitigation for your affected product.
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-306
- Affected versions
- Zoho ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus; Zohocorp Manageengine Servicedesk Plus (Version: 11.3); Zohocorp Manageengine Servicedesk Plus Msp (Version: 10.5); Zohocorp Manageengine Supportcenter Plus (Version: 11.0)
- Published
- 29 November 2021
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 93.3%
- Signal calculated at 84