PT-2021-1564 · Microsoft · Windows Hyper-V+1

Eran Shimony · Published 2021-01-12 · Updated 2024-10-08 · CVE-2021-1704

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

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

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

Description: The issue is related to insufficient access controls in the Windows Hyper-V hardware virtualization system, allowing an attacker to potentially elevate their privileges. An elevation-of-privilege issue affects the system, enabling attackers to impact it.

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

LPE

Improper Privilege Management

Weakness Enumeration

CWE-269

CWE-264

Related Identifiers

BDU:2021-00163

CVE-2021-1704

Affected Products

Windows

Windows Hyper-V

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2021-1704 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-1704 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-00163 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1704 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1704 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1704 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1704 · Note
• https://cybersecurity-help.cz/vdb/SB2021011220 · Note
• https://t.me/cvenotify/8820 · Telegram Post