PT-2021-6317 · Microsoft · Windows

Published 2021-09-14 · Updated 2023-12-28 · CVE-2021-36973

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 Microsoft Windows (affected versions not specified)

Description The issue is related to insufficient access control in the Redirected Drive Buffering System (rdbss.sys) driver of the Microsoft Windows operating system. It allows an attacker to elevate their privileges.

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:2022-01306

CVE-2021-36973

Affected Products

Windows

References · 10

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-36973 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-01306 · Security Note
• https://osv.dev/vulnerability/CVE-2021-36973 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36973 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36973 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36973 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-36973 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/686780 · Security Note
• https://t.me/cvenotify/21472 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021091427 · Note