Zoho ManageEngine ServiceDesk Authentication Bypass Vulnerability

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. Aug 31, 2021 · Catalog

   Detected

   Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.

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 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.

Affected

• cpe zohocorp/manageengine servicedesk plus11.0
• cpe zohocorp/manageengine servicedesk plus11.1
• vendor Zoho ManageEngine ServiceDesk Plus (SDP)version unspecified

Sources

• CISA KEVConfirmed exploitationCVE-2021-37415

  Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication

  cisa.gov
• CVE.orgVulnerability recordCVE-2021-37415

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2021-37415

  30-day exploitation probability 99.8%

  first.org
• NIST NVDVulnerability recordCVE-2021-37415

  Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.

  nvd.nist.gov

References

• CISA note · nvd.nist.gov
• US Government Resource · cisa.gov
• Product · manageengine.com
• Release Notes · manageengine.com