Live › vulnerability › CVE-2021-40539
Go to dashboardZoho ManageEngine ADSelfService Plus has an authentication bypass in its REST API URLs that lets an unauthenticated attacker reach features that allow remote code execution. Attackers are exploiting it in the wild and it has been used in ransomware campaigns.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 0h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Zoho ManageEngine | vendor | – | – |
| ADSelfService Plus | vendor | <= build 6113 | build 6114 |
/../RestAPI/./RestAPIEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Zoho ManageEngine ADSelfService Plus contains an authentication bypass vulnerability affecting the REST API URLs which allow for remote code execution.
CISA required action: Apply updates per vendor instructions.
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