CVE-2021-40539
- State
- Published
- Severity
- 9.8 Critical
- Published
- Sep 7, 2021
- Updated
- Oct 21, 2025
- Reserved
- Sep 6, 2021
Description
Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-706 Use of Incorrectly-Resolved Name or Reference
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://www.manageengine.com/
- https://www.manageengine.com/products/self-service-password/kb/how-to-fix-authentication-bypass-vulnerability-in-REST-API.html
- http://packetstormsecurity.com/files/165085/ManageEngine-ADSelfService-Plus-Authentication-Bypass-Code-Execution.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40539government-resource
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