CVE-2021-38631
vulnerability analysis and mitigation

Overview

CVE-2021-38631 is a Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability that was disclosed in November 2021. The vulnerability affects various versions of Microsoft Windows, including Windows 10, Windows 11, Windows Server 2016, 2019, and 2022 (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 4.4 (MEDIUM) with the vector string CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N. The CVSS v2.0 base score is 2.1 (LOW) with the vector (AV:L/AC:L/Au:N/C:P/I:N/A:N). This indicates that the vulnerability requires local access and high privileges to exploit, but could result in high confidentiality impact (NVD).

Impact

The vulnerability could allow an attacker to obtain sensitive information through the Windows Remote Desktop Protocol. The impact is limited to information disclosure with no integrity or availability impacts (NVD).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. Users should apply the November 2021 security updates to affected systems (Microsoft Advisory).

Additional resources


SourceThis report was generated using AI

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