CVE-2021-41377
vulnerability analysis and mitigation

Overview

Windows Fast FAT File System Driver Elevation of Privilege Vulnerability (CVE-2021-41377) was identified and disclosed in September 2021. The vulnerability affects various versions of Microsoft Windows operating systems including Windows 10, Windows 11, and Windows Server installations (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. It is classified under CWE-269 (Improper Privilege Management). The vulnerability requires local access and low privileges to exploit, with no user interaction needed (NVD).

Impact

This vulnerability could allow an attacker to gain elevated privileges on affected systems. The high CVSS score indicates that successful exploitation could lead to complete compromise of confidentiality, integrity, and availability of the targeted system (NVD).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability across multiple affected Windows versions, including Windows 10 (various versions), Windows 11, and Windows Server installations. Users are advised to apply the appropriate security updates through Windows Update (Rapid7).

Additional resources


SourceThis report was generated using AI

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