CVE DATABASE / CVE-2021-37415
CVE-2021-37415
Zoho ManageEngine ServiceDesk Authentication Bypass Vulnerability
CVSS 9.8 · CRITICAL
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2021-12-01.
Federal remediation due 2021-12-15.
Required action: Apply updates per vendor instructions.
Summary
Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.
CVSS 3.1 breakdown
| Base score | 9.8 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Zohocorp manageengine servicedesk plus
Check this CVE live
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References
- https://www.manageengine.com
- https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37415
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-31. Always verify against the vendor advisory before acting.