Check Point Advisories

Zoho ManageEngine ADSelfService Plus Authentication Bypass (CVE-2021-40539)

Check Point Reference: CPAI-2021-0879
Date Published: 14 Nov 2021
Severity: Critical
Last Updated: Thursday 07 March, 2024
Source:
Industry Reference:CVE-2021-40539
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Zoho ManageEngine ADSelfService Plus version 6113 and prior
Vulnerability Description An authentication bypass vulnerability exists in Zoho ManageEngine ADSelfService Plus. Successful exploitation of this vulnerability would allow remote attackers to gain unauthorized access into the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Zoho ManageEngine ADSelfService Plus Authentication Bypass (CVE-2021-40539) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Application Servers Protection Violation.
Attack Information:  Zoho ManageEngine ADSelfService Plus Authentication Bypass (CVE-2021-40539)

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