PT-2021-2141 · Microsoft · Windows

Published 2021-02-09 · Updated 2026-03-10 · CVE-2021-24074

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Windows (affected versions not specified)

Description The issue is related to insufficient input validation in the implementation of the TCP/IP protocol in Windows operating systems. This can be exploited by a remote attacker to execute arbitrary code, potentially affecting the system.

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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-01000

CVE-2021-24074

Affected Products

Windows

References · 17

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24074 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24074 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-24074 · Security Note
• https://osv.dev/vulnerability/CVE-2021-24074 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24074 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-24074 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01000 · Security Note
• https://t.me/cybersecuritytechnologies/2815 · Telegram Post
• https://t.me/cybersecuritytechnologies/3279 · Telegram Post
• https://t.me/cybersecuritytechnologies/2708 · Telegram Post
• https://t.me/cybersecuritytechnologies/3159 · Telegram Post
• https://t.me/ptswarm/27 · Telegram Post
• https://t.me/sysadm_in_channel/2747 · Telegram Post
• https://t.me/sysadm_in_channel/2939 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021020927 · Note