PT-2021-12990 · Google · Android

Published 2021-01-01 · Updated 2021-01-13 · CVE-2021-0306

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: Android versions Android-8.0 through Android-11

Description: The issue allows an app to bypass permissions and gain the android.permission.ACTIVITY RECOGNITION permission without user confirmation when upgrading major Android versions. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations: For Android versions Android-8.0 through Android-11, update to a version that contains a fix for this issue to prevent local escalation of privilege.

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

ASB-A-154505240

CVE-2021-0306

Affected Products

Android

References · 6

• https://source.android.com/security/bulletin/2021-01-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-154505240 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0306 · Security Note
• https://osv.dev/vulnerability/CVE-2021-0306 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/base/+/03da463b2a94c36e3b46f0a110ec43710b82d404 · Note
• https://android.googlesource.com/platform/frameworks/base/+/c4ce178c261e6a2dc1aa4c1e1d570f0efd980e47 · Note