Check Point Advisories

Cisco Identity Services Engine Authentication Bypass (CVE-2025-20125)

Vulnerability
Protection

Check Point Reference:	CPAI-2025-0524
Date Published:	13 Jul 2025
Severity:	High
Last Updated:	Sunday 13 July, 2025
Source:
Industry Reference:	CVE-2025-20125
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Cisco Identity Services Engine prior to version 3.1 Cisco Identity Services Engine version 3.1.0 Cisco Identity Services Engine version 3.1.0 patch1 Cisco Identity Services Engine version 3.1.0 patch2 Cisco Identity Services Engine version 3.1.0 patch3 Cisco Identity Services Engine version 3.1.0 patch4 Cisco Identity Services Engine version 3.1.0 patch5 Cisco Identity Services Engine version 3.1.0 patch6 Cisco Identity Services Engine version 3.1.0 patch7 Cisco Identity Services Engine version 3.1.0 patch8 Cisco Identity Services Engine version 3.1.0 patch9 Cisco Identity Services Engine version 3.2.0 Cisco Identity Services Engine version 3.2.0 patch1 Cisco Identity Services Engine version 3.2.0 patch2 Cisco Identity Services Engine version 3.2.0 patch3 Cisco Identity Services Engine version 3.2.0 patch4 Cisco Identity Services Engine version 3.2.0 patch5 Cisco Identity Services Engine version 3.2.0 patch6 Cisco Identity Services Engine version 3.3.0 Cisco Identity Services Engine version 3.3.0 patch1 Cisco Identity Services Engine version 3.3.0 patch2 Cisco Identity Services Engine version 3.3.0 patch3
Vulnerability Description	An authentication bypass vulnerability exists in Cisco Identity Services Engine. 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

In the IPS tab, click Protections and find the Cisco Identity Services Engine Authentication Bypass (CVE-2025-20125) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: Cisco Identity Services Engine Authentication Bypass (CVE-2025-20125)