PT-2021-6156 · Microsoft · Windows Hyper-V+1

Published 2021-12-14 · Updated 2022-07-12 · CVE-2021-43246

Positive Technologies (AI Summary)

CVSS v3.1

5.6

Medium

Base vector

AV:L/AC:H/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 is related to an uncontrolled resource consumption in the Windows Hyper-V hardware virtualization system, which can lead to a denial of service. This could allow an attacker to cause a service disruption.

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

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2022-01038

CVE-2021-43246

Affected Products

Windows

Windows Hyper-V

References · 9

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43246 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-43246 · Security Note
• https://bdu.fstec.ru/vul/2022-01038 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43246 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-43246 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-43246 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-43246 · Vendor Advisory
• https://t.me/cvenotify/24813 · Telegram Post
• https://t.me/cibsecurity/34036 · Telegram Post