PT-2021-4380 · Microsoft · Windows

Dong Seong Kim + 1 · Published 2021-10-12 · Updated 2023-08-01 · CVE-2021-40463

Positive Technologies (AI Summary)

CVSS v3.1

7.7

High

Base vector

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

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

Description The issue exists due to insufficient input validation in the Windows Network Address Translation (NAT) component. This allows a remote attacker to cause a denial of service.

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:2021-05010

CVE-2021-40463

Affected Products

Windows

References · 7

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40463 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40463 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-40463 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-40463 · Security Note
• https://bdu.fstec.ru/vul/2021-05010 · Security Note
• https://osv.dev/vulnerability/CVE-2021-40463 · Vendor Advisory
• http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40463 · Note