PT-2020-3974 · Microsoft · Hyper-V+1

Published 2020-08-09 · Updated 2023-12-31 · CVE-2020-0904

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

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

Description: A denial of service issue exists due to insufficient input validation in Microsoft Hyper-V on host servers, allowing an attacker with a privileged account on a guest operating system to potentially cause a denial of service by running a specially crafted application. The vulnerability can be exploited by sending specific malicious data from a user on a guest operating system.

Recommendations: To resolve the issue, apply the security update that addresses the vulnerability by resolving the conditions where Hyper-V would fail to handle these requests. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2020-04368

CVE-2020-0904

Affected Products

Hyper-V

Windows

References · 6

• https://osv.dev/vulnerability/CVE-2020-0904 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0904 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-0904 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04368 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0904 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-0904 · Security Note