CVE-2021-40539

critical-risk
Published 2021-09-07

Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution.

Do I need to act?

!
94.4% chance of exploitation in next 30 days
EPSS score — higher than 6% of all CVEs
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Vendors

75
/ 100
critical-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 16/34 · Moderate