PT-2022-11050 · Google · Android

Published 2022-03-30 · Updated 2022-04-06 · CVE-2021-39772

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions prior to the fixed version

Description The issue is related to a missing permission check in Bluetooth, allowing access to the a2dp audio control switch. This could lead to local escalation of privilege without requiring additional execution privileges or user interaction.

Recommendations For Android versions prior to the fixed version, update to a version that includes the fix for this issue to prevent local escalation of privilege.

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

CVE-2021-39772

Affected Products

Android

References · 3

• https://osv.dev/vulnerability/CVE-2021-39772 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39772 · Security Note
• https://source.android.com/security/bulletin/android-12l · Vendor Advisory