Check Point Advisories

SAML-Toolkits ruby-saml Authentication Bypass (CVE-2025-25291)

Check Point Reference: CPAI-2025-0196
Date Published: 20 Apr 2025
Severity: High
Last Updated: Sunday 20 April, 2025
Source:
Industry Reference:CVE-2025-25291
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? SAML-Toolkits ruby-saml from 1.13.0 prior to 1.18.0
SAML-Toolkits ruby-saml prior to 1.12.4
Vulnerability Description An authentication bypass vulnerability exists in ruby-saml. Successful exploitation could allow attacker to authenticate as other users and takeover their account.

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 SAML-Toolkits ruby-saml Authentication Bypass (CVE-2025-25291) 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:  Web Server Enforcement Violation.
Attack Information:  SAML-Toolkits ruby-saml Authentication Bypass (CVE-2025-25291)

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