CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-40539
Critical (9.8) in Zoho ManageEngine. In CISA KEV since 2021-11-03, with known ransomware use. EPSS 99% chance of exploitation in the next 30 days.
Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution.
Severity
- EPSS
- 99% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2021-11-03, due 2021-11-17, known ransomware use
- CWE
- CWE-706
- Published
- Modified
- Record from
- the NVD, synced
Affected
- zohocorp:manageengine_adselfservice_plus
References
- http://packetstormsecurity.com/files/165085/ManageEngine-ADSelfService-Plus-Authentication-Bypass-Code-Execution.html
- 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.manageengine.com