PT-2021-4806 · Microsoft · Windows Hyper-V+1

Published 2021-11-09 · Updated 2023-12-28 · CVE-2021-42274

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Windows Hyper-V (affected versions not specified)

Description The issue exists due to insufficient input validation in the Windows Hyper-V Discrete Device Assignment (DDA) component. This can be exploited to cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-05533

CVE-2021-42274

Affected Products

Windows

Windows Hyper-V

References · 8

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42274 · Security Note
• https://osv.dev/vulnerability/CVE-2021-42274 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42274 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42274 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-42274 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42274 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05533 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021110916 · Note