CVE-2021-44077

Zoho ManageEngine ServiceDesk Plus before 11306, ServiceDesk Plus MSP before 10530, and...

9.8 CriticalIn KEVPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

93.3%Up 91.0 points since Nov 29, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2021-44077
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-306
Updated: 2026-11-02

CVE List 9.8

Record: CVE-2021-44077
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-306
Updated: 2026-11-02

EUVDEUVD-2021-30936 9.8

Record: EUVD-2021-30936
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-xm89-vxjx-jvcg 9.8

Zoho ManageEngine ServiceDesk Plus before 11306, ServiceDesk Plus MSP before 10530, and...

Record: GHSA-xm89-vxjx-jvcg
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-287, CWE-306
Updated: 2026-11-02

CISA KEV No score

Zoho ManageEngine ServiceDesk Plus Remote Code Execution Vulnerability

Zoho ManageEngine ServiceDesk Plus before 11306, ServiceDesk Plus MSP before 10530, and SupportCenter Plus before 11014 are vulnerable to unauthenticated remote code execution

Record: CVE-2021-44077
Weakness: CWE-306
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Metasploit	ManageEngine ServiceDesk Plus CVE-2021-44077	2021-09-16
PoC in GitHub	horizon3ai/CVE-2021-44077	2021-12-08
PoC in GitHub	pizza-power/Golang-CVE-2021-44077-POC	2022-09-29
Nuclei	Zoho ManageEngine ServiceDesk Plus - Remote Code Execution

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation, exploits
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, CISA KEV, Metasploit, Nuclei, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-44077 is a critical vulnerability (CVSS 9.8) in Zohocorp Manageengine Servicedesk Plus, published November 29, 2021. CISA lists it as known to be exploited, since December 1, 2021. EUVD reports exploitation since December 1, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 93.3%, the 99th percentile. No source names a fixed version.