PT-2021-4153 · Microsoft · Windows

Published 2021-07-13 · Updated 2023-12-28 · CVE-2021-31183

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows versions prior to the fixed version

Description The issue is related to a denial-of-service vulnerability in the implementation of the TCP/IP protocol in the Windows operating system, caused by insufficient input validation. This can allow a remote attacker to cause a denial of service.

Recommendations For Windows versions prior to the fixed version, apply the necessary patch or update to resolve the issue. As a temporary workaround, consider restricting access to the TCP/IP driver to minimize the risk of exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-04748

CVE-2021-31183

Affected Products

Windows

References · 10

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31183 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31183 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31183 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-31183 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-31183 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04748 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-31183 · Vendor Advisory
• https://t.me/cvenotify/17891 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021071318 · Note
• https://t.me/cibsecurity/26160 · Telegram Post