Findings

CVE-2021-44077

Zoho ManageEngine ServiceDesk Plus Remote Code Execution Vulnerability

Published Nov 28, 2021 · corrected/updated Jun 16, 2026 · zohocorp manageengine servicedesk plus · evidence confidence very high

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.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2021-44077 is a critical public vulnerability record for zohocorp manageengine servicedesk plus. CISA lists it as known exploited. Published remediation guidance: Apply updates per vendor instructions. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether zohocorp manageengine servicedesk plus is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: zohocorp/manageengine servicedesk plus; zohocorp/manageengine servicedesk plus (11.1); Zoho ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus. Published remediation guidance: Apply updates per vendor instructions. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 9.8, EPSS 93.3%. CISA lists it as known exploited. Weakness classes: CWE-306. Sources contributing to this record: cisa_kev, cve_org, epss, metasploit. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Dec 1, 2021. Listed in the CISA Known Exploited Vulnerabilities catalog.

  • Patch and remediation

    Apply updates per vendor instructions. CISA due date Dec 15, 2021.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 28, 2021 · Catalog

    Detected

    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.

  2. Dec 1, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Dec 15, 2021 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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

  • cpe zohocorp/manageengine servicedesk plusversion unspecified
  • cpe zohocorp/manageengine servicedesk plus11.1
  • vendor Zoho ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plusversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2021-44077

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-44077

    30-day exploitation probability 93.3%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_windows/http/manageengine_servicedesk_plus_cve_2021_44077

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References