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Vulnerabilities

Vulnerability · CVE-2021-44077

Zoho ManageEngine ServiceDesk Plus Remote Code Execution Vulnerability

Published Nov 28, 2021 · catalog updated Jun 16, 2026 · Zoho ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus

Patch now

CVE-2021-44077 is in the CISA known-exploited catalog, due Dec 15, 2021. Confirm Zoho ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
93.30%
Remediation
Remediation guidance
Affected products
cpe zohocorp/manageengine servicedesk plus · vendor Zoho ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

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

How to fix CVE-2021-44077

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2021-44077 is in the CISA known-exploited catalog, due Dec 15, 2021. Confirm Zoho ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with zohocorp/manageengine servicedesk plus 11.1. Apply updates per vendor instructions.

What should an analyst verify?

CWE-306: Missing Authentication for Critical Function. EPSS 93.30%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

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.

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
  • VulnCheck 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

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.