PT-2021-4383 · Microsoft · Windows Common Log File System Driver+1

Yuki Chen · Published 2021-10-12 · Updated 2023-08-01 · CVE-2021-40466

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Common Log File System Driver (affected versions not specified)

Description The issue is related to errors in privilege management, allowing an attacker to gain system privileges. This can affect the system, potentially leading to elevated access for malicious actors.

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

LPE

Improper Privilege Management

Weakness Enumeration

CWE-264

CWE-269

Related Identifiers

BDU:2021-05013

CVE-2021-40466

Affected Products

Windows

Windows Common Log File System Driver

References · 8

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40466 · Security Note
• https://osv.dev/vulnerability/CVE-2021-40466 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05013 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40466 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-40466 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-40466 · Vendor Advisory
• https://t.me/cibsecurity/30484 · Telegram Post
• http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40466 · Note