CVE-2021-40539
Summary
| CVE | CVE-2021-40539 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-09-07 17:15:00 UTC |
| Updated | 2023-08-08 14:22:00 UTC |
| Description | Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution. |
Risk And Classification
EPSS: 0.989600000 probability, percentile 0.999260000 (date 2026-07-22)
CISA KEV: Listed on 2021-11-03; due 2021-11-17; ransomware use Known
Problem Types: CWE-706
CISA Known Exploited Vulnerability
| Vendor | Zoho |
|---|---|
| Product | ManageEngine |
| Name | Zoho ManageEngine ADSelfService Plus Authentication Bypass Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2021-40539 |
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Fixing the authentication bypass vulnerability affecting REST APIs | ManageEngine ADSelfService Plus | MISC | www.manageengine.com | |
| ManageEngine - IT Operations and Service Management Software | MISC | www.manageengine.com | |
| ManageEngine ADSelfService Plus Authentication Bypass / Code Execution ≈ Packet Storm | MISC | packetstormsecurity.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 375840 Zoho ManageEngine ADSelfService Plus Remote Code Execution Vulnerability