PT-2021-2420 · Microsoft · Windows

Dong Seong Kim + 1 · Published 2021-03-09 · Updated 2023-12-29 · CVE-2021-26879

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 (affected versions not specified)

Description: The issue is related to a denial-of-service vulnerability in the implementation of Network Address Translation (NAT) technology in Windows operating systems. This vulnerability is associated with insufficient protection of service data. Exploitation of the vulnerability may allow 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.

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2021-01672

CVE-2021-26879

Affected Products

Windows

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-26879 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-26879 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01672 · Security Note
• https://osv.dev/vulnerability/CVE-2021-26879 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26879 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-26879 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26879 · Security Note