CVE-2025-21369
vulnerability analysis and mitigation

Overview

Microsoft Digest Authentication Remote Code Execution Vulnerability (CVE-2025-21369) is a significant security flaw that was disclosed on February 11, 2025. This vulnerability has been flagged as 'important' by Microsoft and affects domain controller authentication systems (Talos Blog, CVE Mitre).

Technical details

The vulnerability has been assigned a CVSS 3.1 score of 8.8, indicating a high severity level. The vulnerability is related to the Microsoft Digest Authentication system and could potentially allow remote code execution when exploited (Talos Blog).

Impact

If successfully exploited, this vulnerability could allow an attacker to execute arbitrary code on the target system. The attack vector requires an authenticated user to send a malicious logon request to the target domain controller, and notably, it does not require administrative or elevated privileges to execute (Talos Blog).

Mitigation and workarounds

Microsoft has addressed this vulnerability as part of their February 2025 Patch Tuesday security updates. Organizations are advised to apply the security updates provided by Microsoft to protect against potential exploitation (Talos Blog).

Additional resources


SourceThis report was generated using AI

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