Check Point Advisories

Microsoft Windows NTLM Relay (CVE-2025-24054)

Vulnerability
Protection

Check Point Reference:	CPAI-2025-0135
Date Published:	31 Mar 2025
Severity:	High
Last Updated:	Monday 21 April, 2025
Source:
Industry Reference:	CVE-2025-24054
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Windows 10 for 32-bit Systems Microsoft Windows 10 for x64-based Systems Microsoft Windows 10 Version 1607 for 32-bit Systems Microsoft Windows 10 Version 1607 for x64-based Systems Microsoft Windows 10 Version 1809 for 32-bit Systems Microsoft Windows 10 Version 1809 for x64-based Systems Microsoft Windows 10 Version 21H2 for 32-bit Systems Microsoft Windows 10 Version 21H2 for ARM64-based Systems Microsoft Windows 10 Version 21H2 for x64-based Systems Microsoft Windows 10 Version 22H2 for 32-bit Systems Microsoft Windows 10 Version 22H2 for ARM64-based Systems Microsoft Windows 10 Version 22H2 for x64-based Systems Microsoft Windows 11 Version 22H2 for ARM64-based Systems Microsoft Windows 11 Version 22H2 for x64-based Systems Microsoft Windows 11 Version 23H2 for ARM64-based Systems Microsoft Windows 11 Version 23H2 for x64-based Systems Microsoft Windows 11 Version 24H2 for ARM64-based Systems Microsoft Windows 11 Version 24H2 for x64-based Systems Microsoft Windows Server 2008 R2 for x64-based Systems Service Pack 1 Microsoft Windows Server 2008 R2 for x64-based Systems SP-1 (Server Core ) Microsoft Windows Server 2012 Microsoft Windows Server 2012 (Server Core installation) Microsoft Windows Server 2012 R2 Microsoft Windows Server 2012 R2 (Server Core installation) Microsoft Windows Server 2016 Microsoft Windows Server 2016 (Server Core installation) Microsoft Windows Server 2019 Microsoft Windows Server 2019 (Server Core installation) Microsoft Windows Server 2022 Microsoft Windows Server 2022 (Server Core installation) Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation)
Vulnerability Description	An NTLM relay vulnerability exists in Microsoft Windows. Successfully exploiting this vulnerability could result in the disclosure of a targeted user's NTLM hash.

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 Microsoft Windows NTLM Relay (CVE-2025-24054) 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: Content Protection Violation.
Attack Information: Microsoft Windows NTLM Relay (CVE-2025-24054)