Check Point Advisories

Cisco Identity Services Engine Remote Code Execution (CVE-2025-20281)

Check Point Reference: CPAI-2025-0489
Date Published: 30 Jun 2025
Severity: Critical
Last Updated: Tuesday 29 July, 2025
Source:
Industry Reference:CVE-2025-20281
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Cisco Identity Services Engine 3.3.0 prior to patch 6
Cisco Identity Services Engine 3.4.0 prior to patch 2
Cisco Identity Services Engine Passive Identity Connector 3.3.0 prior to patch 6
Cisco Identity Services Engine Passive Identity Connector 3.4.0 prior to patch 2
Vulnerability Description A remote code execution vulnerability exists in Cisco Identity Services Engine due to insufficient validation of user-supplied input in a specific API. Exploitation could allow an attacker to execute arbitrary code as root.

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 Cisco Identity Services Engine Remote Code Execution (CVE-2025-20281) 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:  Cisco Protection Violation.
Attack Information:  Cisco Identity Services Engine Remote Code Execution (CVE-2025-20281)

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