PT-2021-3290 · Microsoft · Windows Hyper-V+1

Published 2021-06-08 · Updated 2023-08-01 · CVE-2021-31977

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/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 a buffer overflow in memory, which can be exploited by a remote attacker to cause a denial of service. This can affect the system, allowing attackers to disrupt service.

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

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2021-03064

CVE-2021-31977

Affected Products

Windows

Windows Hyper-V

References · 8

• https://bdu.fstec.ru/vul/2021-03064 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31977 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-31977 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-31977 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31977 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31977 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-31977 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2021060820 · Note