PT-2021-4394 · Microsoft · Windows Ad Fs+1

Published 2021-10-12 · Updated 2024-08-01 · CVE-2021-40456

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

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

Description The issue is related to errors in security settings, allowing a remote attacker to bypass the security mechanism. This can affect the system.

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

Incorrect Authorization

Weakness Enumeration

CWE-863

CWE-254

Related Identifiers

BDU:2021-05024

CVE-2021-40456

Affected Products

Windows

Windows Ad Fs

References · 8

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-40456 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-40456 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40456 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-40456 · Security Note
• https://bdu.fstec.ru/vul/2021-05024 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021101253 · Note
• http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456 · Note