CVE-2021-40539
CriticalActively exploited (CISA KEV)Known to be used in ransomware campaigns
Description
Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Zoho ManageEngine
PublishedSep 7, 2021
First seenSep 7, 2021
Added to KEVNov 3, 2021
Weakness typeCWE-706CWE-706
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Nov 17, 2021Update
- zohocorp manageengine_adselfservice_plus6.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zohocorp manageengine_adselfservice_plus | v < 6.1, 6.1 | 6.1 |
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