CVE-2021-40539
9.8 CRITICALZoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code ex...
Published: 2021-09-07 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 9.8 CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-706
Affected products
| Vendor | Product |
|---|---|
| zohocorp | manageengine_adselfservice_plus |
Description
Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-40539
- [Exploit reference]http://packetstormsecurity.com/files/165085/ManageEngine-ADSelfService-Plus-Authentication-Bypass-Code-Execution.html
- [Other]https://www.manageengine.com
- [Patch]https://www.manageengine.com/products/self-service-password/kb/how-to-fix-authentication-bypass-vulnerability-in-REST-API.html
- [Exploit reference]http://packetstormsecurity.com/files/165085/ManageEngine-ADSelfService-Plus-Authentication-Bypass-Code-Execution.html
- [Other]https://www.manageengine.com
- [Patch]https://www.manageengine.com/products/self-service-password/kb/how-to-fix-authentication-bypass-vulnerability-in-REST-API.html
- [Other]https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40539
Related CVEs
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- CVE-2021-41075 — The NetFlow Analyzer in Zoho ManageEngine OpManger before 125455 is vulnerable to SQL Injection in the Attacks Module API (9.8 CRITICAL)
- CVE-2021-40493 — Zoho ManageEngine OpManager before 125437 is vulnerable to SQL Injection in the support diagnostics module (9.8 CRITICAL)
- CVE-2021-38298 — Zoho ManageEngine ADManager Plus before 7110 is vulnerable to blind XXE (9.8 CRITICAL)
- CVE-2021-41288 — Zoho ManageEngine OpManager version 125466 and below is vulnerable to SQL Injection in the getReportData API (9.8 CRITICAL)
- CVE-2021-41829 — Zoho ManageEngine Remote Access Plus before 10.1.2121.1 relies on the application's build number to calculate a certain encryption key (7.5 HIGH)
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