PT-2021-5215 · Microsoft · Windows Cloud Files Mini Filter Driver+1

Published 2021-07-13 · Updated 2023-12-28 · CVE-2021-33784

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 Cloud Files Mini Filter Driver (affected versions not specified)

Description The issue is related to unsafe privilege management in the Windows Cloud Files Mini Filter Driver. It allows an attacker to elevate privileges in the system.

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

Improper Privilege Management

Weakness Enumeration

CWE-264

CWE-269

Related Identifiers

BDU:2021-06017

CVE-2021-33784

Affected Products

Windows

Windows Cloud Files Mini Filter Driver

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2021-33784 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33784 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33784 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-06017 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33784 · Security Note
• https://osv.dev/vulnerability/CVE-2021-33784 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-33784 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2021071345 · Note