CVE-2021-44077
Zoho ManageEngine ServiceDesk Plus before 11306, ServiceDesk Plus MSP before 10530, and SupportCenter Plus before 11014 are vulnerable to…
Browse: All 2021 CVEs · All vendors
- CVSS score
- 9.8 Critical
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2021-12-01, remediation due 2021-12-15)
- Weakness (CWE)
- CWE-306
- Published
- 2021-11-29
- Last modified
- 2026-06-17
- NVD status
- Analyzed
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.
Affected products
- zohocorp manageengine servicedesk plus
- zohocorp manageengine servicedesk plus msp
- zohocorp manageengine supportcenter plus
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply updates per vendor instructions. Federal remediation deadline: 2021-12-15.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score. For the actively exploited vulnerabilities that matter this week, read The Exploit HQ daily security brief.
References
- http://packetstormsecurity.com/files/165400/ManageEngine-ServiceDesk-Plus-Remote-Code-Execution.html
- https://pitstop.manageengine.com/portal/en/community/topic/security-advisory-authentication-bypass-vulnerability-in-servicedesk-plus-versions-11138-and-above
- https://pitstop.manageengine.com/portal/en/community/topic/security-advisory-for-cve-2021-44077-unauthenticated-rce-vulnerability-in-servicedesk-plus-msp-versions-10527-till-10529
- https://pitstop.manageengine.com/portal/en/community/topic/security-advisory-for-cve-2021-44077-unauthenticated-rce-vulnerability-in-servicedesk-plus-versions-up-to-11305-22-11-2021
- https://pitstop.manageengine.com/portal/en/community/topic/security-advisory-for-cve-2021-44077-unauthenticated-rce-vulnerability-in-supportcenter-plus-versions-11012-and-11013
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44077
FAQ
Is CVE-2021-44077 actively exploited?
Yes. CISA added CVE-2021-44077 to its Known Exploited Vulnerabilities (KEV) catalog on 2021-12-01, with a federal remediation deadline of 2021-12-15. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2021-44077?
CVE-2021-44077 has a CVSS base score of 9.8 (Critical). Its vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2022-28810 — Zoho ManageEngine
- CVE-2022-47966 — Zoho ManageEngine
- CVE-2022-35405 — Zoho ManageEngine
- CVE-2021-44515 — Zoho Desktop Central
- CVE-2021-37415 — Zoho ManageEngine ServiceDesk Plus (SDP)
- CVE-2021-40539 — Zoho ManageEngine
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
kev brief
Patch what's actually being exploited.
Subscribe and get the KEV Patch Priority Playbook, free, in your inbox now.
Free. No spam. Unsubscribe anytime. Delivered by Beehiiv.