PT-2021-6335 · Microsoft · Windows Common Log File System Driver+1

Yuki Chen · Published 2021-09-14 · Updated 2023-12-28 · CVE-2021-36963

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 insufficient access restrictions in the Windows Common Log File System Driver, which can be exploited to elevate privileges. This allows an attacker to affect the system. No information is available on the estimated number of potentially affected devices or real-world incidents.

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:2022-01341

CVE-2021-36963

Affected Products

Windows

Windows Common Log File System Driver

References · 9

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-36963 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-36963 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-01341 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36963 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36963 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-36963 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36963 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/686780 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021091435 · Note