CVE-2021-44077
Zoho ManageEngine ServiceDesk Plus Remote Code Execution Vulnerability
- Critical 9.8
- Exploited: added to CISA KEV 1 Dec 2021
Description
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.
Key facts
- Published
- 29 Nov 2021
- Last changed
- 21 Oct 2025
- Assigned by
- mitre
- KEV added
- 1 Dec 2021
- KEV fix due
- 15 Dec 2021
- EPSS
- 93.514% likely to be exploited in the next 30 days, higher than 99.843% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: yes; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 9.8CVSS 3.1, Criticalfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a |
|
Timeline
- 29 Nov 2021 Published
- 1 Dec 2021 CVE-2021-44077 added to CISA KEV
- 1 Dec 2021 Added to the CISA KEV catalogue