CVE-2021-40539—Zoho ManageEngine ADSelfService Plus Authentication Bypass Vulnerability

PUBLISHEDvulnerability record
2021-11-03 · last modified June 21, 2025

Metadata

CVE ID:
CVE-2021-40539
Project:
Zoho
Product:
ManageEngine
Date Added:
2021-11-03
Due Date:
2021-11-17
Last Updated:
June 21, 2025

Vulnerability Name

Zoho ManageEngine ADSelfService Plus Authentication Bypass Vulnerability

Description

Zoho ManageEngine ADSelfService Plus contains an authentication bypass vulnerability affecting the REST API URLs which allow for remote code execution.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
KNOWN

Action

Apply updates per vendor instructions.

Additional Notes

  • https://nvd.nist.gov/vuln/detail/CVE-2021-40539

Related Weaknesses

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