PT-2021-3826 · Microsoft · Windows Bluetooth Driver+1

Ziming Zhang · Published 2021-08-10 · Updated 2023-12-28 · CVE-2021-34537

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 Bluetooth Driver (affected versions not specified)

Description The issue is related to insufficient access control in the Windows Bluetooth Driver, which can be exploited to elevate privileges. This could allow an attacker to affect the system. There is no information provided about the estimated number of potentially affected devices worldwide or details about real-world incidents where this issue was exploited.

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:2021-04156

CVE-2021-34537

Affected Products

Windows

Windows Bluetooth Driver

References · 9

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34537 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34537 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34537 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04156 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-34537 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-34537 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-34537 · Vendor Advisory
• https://t.me/cibsecurity/27265 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021081038 · Note