Vulnerability Database

325,773

Total vulnerabilities in the database

CVE-2021-44077

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.

  • Published: Nov 29, 2021
  • Updated: Nov 4, 2025
  • CVE: CVE-2021-44077
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
zohocorp / manageengine_servicedesk_plus 11.2-11201 11.2-11201.x
zohocorp / manageengine_servicedesk_plus 11.2-11202 11.2-11202.x
zohocorp / manageengine_servicedesk_plus 11.2-11203 11.2-11203.x
zohocorp / manageengine_servicedesk_plus 11.2-11204 11.2-11204.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10519 10.5-10519.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10515 10.5-10515.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10516 10.5-10516.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10517 10.5-10517.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10518 10.5-10518.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10507 10.5-10507.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10508 10.5-10508.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10509 10.5-10509.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10510 10.5-10510.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10511 10.5-10511.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10512 10.5-10512.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10513 10.5-10513.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10514 10.5-10514.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10500 10.5-10500.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10501 10.5-10501.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10502 10.5-10502.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10503 10.5-10503.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10504 10.5-10504.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10505 10.5-10505.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10506 10.5-10506.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10520 10.5-10520.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10521 10.5-10521.x
zohocorp / manageengine_servicedesk_plus 11.3-11300 11.3-11300.x
zohocorp / manageengine_servicedesk_plus 11.3-11301 11.3-11301.x
zohocorp / manageengine_servicedesk_plus 11.1-11138 11.1-11138.x
zohocorp / manageengine_servicedesk_plus 11.1-11139 11.1-11139.x
zohocorp / manageengine_servicedesk_plus 11.1-11140 11.1-11140.x
zohocorp / manageengine_servicedesk_plus 11.1-11141 11.1-11141.x
zohocorp / manageengine_servicedesk_plus 11.1-11142 11.1-11142.x
zohocorp / manageengine_servicedesk_plus 11.1-11143 11.1-11143.x
zohocorp / manageengine_servicedesk_plus 11.1-11144 11.1-11144.x
zohocorp / manageengine_servicedesk_plus 11.2-11200 11.2-11200.x
zohocorp / manageengine_servicedesk_plus 11.2-11205 11.2-11205.x
zohocorp / manageengine_servicedesk_plus 11.2-11206 11.2-11206.x
zohocorp / manageengine_servicedesk_plus 11.2-11207 11.2-11207.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10525 10.5-10525.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10526 10.5-10526.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10527 10.5-10527.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10528 10.5-10528.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10529 10.5-10529.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10522 10.5-10522.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10523 10.5-10523.x
zohocorp / manageengine_servicedesk_plus_msp 10.5-10524 10.5-10524.x
zohocorp / manageengine_supportcenter_plus 11.0-11013 11.0-11013.x
zohocorp / manageengine_supportcenter_plus 11.0-11012 11.0-11012.x
zohocorp / manageengine_supportcenter_plus 11.0-11011 11.0-11011.x
zohocorp / manageengine_supportcenter_plus 11.0-11010 11.0-11010.x
zohocorp / manageengine_supportcenter_plus 11.0-11009 11.0-11009.x
zohocorp / manageengine_supportcenter_plus 11.0-11008 11.0-11008.x
zohocorp / manageengine_supportcenter_plus 11.0-11007 11.0-11007.x
zohocorp / manageengine_supportcenter_plus 11.0-11006 11.0-11006.x
zohocorp / manageengine_supportcenter_plus 11.0-11005 11.0-11005.x
zohocorp / manageengine_supportcenter_plus 11.0-11004 11.0-11004.x
zohocorp / manageengine_supportcenter_plus 11.0-11003 11.0-11003.x
zohocorp / manageengine_supportcenter_plus 11.0-11002 11.0-11002.x
zohocorp / manageengine_supportcenter_plus 11.0-11001 11.0-11001.x
zohocorp / manageengine_supportcenter_plus 11.0-11000 11.0-11000.x
zohocorp / manageengine_servicedesk_plus 11.3-11302 11.3-11302.x
zohocorp / manageengine_servicedesk_plus 11.3-11303 11.3-11303.x
zohocorp / manageengine_servicedesk_plus 11.3-11304 11.3-11304.x
zohocorp / manageengine_servicedesk_plus 11.3-11305 11.3-11305.x
zohocorp / manageengine_servicedesk_plus 11.1-11145 11.1-11145.x
zohocorp / manageengine_servicedesk_plus 11.2-11208 11.2-11208.x
zohocorp / manageengine_servicedesk_plus 11.2-11209 11.2-11209.x
zohocorp / manageengine_servicedesk_plus 11.2-11210 11.2-11210.x
zohocorp / manageengine_servicedesk_plus 11.2-11211 11.2-11211.x
zohocorp / manageengine_servicedesk_plus - 11.1
zohocorp / manageengine_servicedesk_plus_msp - 10.5
zohocorp / manageengine_supportcenter_plus - 11.0

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.