Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-42274
CVE-2021-42274:
vulnerability analysis and mitigation
Overview
Windows Hyper-V Discrete Device Assignment (DDA) Denial of Service Vulnerability, identified as CVE-2021-42274, was disclosed on November 9, 2021. The vulnerability affects multiple versions of Microsoft Windows systems including Windows 10 (versions 1607, 1809, 2004, 20H2, 21H1), Windows 11, Windows Server 2016, Windows Server 2019, and Windows Server 2022 (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 6.5 (MEDIUM) by NIST with a vector string of CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H. Microsoft Corporation assessed it slightly higher at 6.8 (MEDIUM) with a vector string of CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H. Under CVSS v2.0, it received a base score of 2.1 (LOW) (NVD).
Impact
This vulnerability specifically affects the Windows Hyper-V Discrete Device Assignment (DDA) functionality and could result in a denial of service condition when successfully exploited (CVE).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. Users are advised to apply the appropriate patches through the Microsoft Security Response Center (MSRC).
Additional resources
Source: This report was generated using AI
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