CVE-2021-37415
KEVZoho ManageEngine ServiceDesk Authentication Bypass Vulnerability
Description
Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication
Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HPublishedSep 1, 2021
Last modifiedJun 17, 2026
Added to KEVDec 1, 2021
Remediation dueDec 15, 2021
References
- manageengine.comProduct
- manageengine.com/products/service-desk/on-premises/readme.htmlRelease Notes
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37415US Government Resource
0 recent articles mention this CVE
89
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1777 days
- CVSS
- 9.8 CRITICAL
- EPSS (30-day exploit probability)
- 99.8% · top 1% of all CVEs
- Weakness
- CWE-306
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.