CVE-2021-0306

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

In addAllPermissions of PermissionManagerService.java, there is a possible permissions bypass when upgrading major Android versions which allows an app to gain the android.permission.ACTIVITY_RECOGNITION permission without user confirmation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11, Android-8.0, Android-8.1, Android-9, Android-10; Android ID: A-154505240.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-269

Affected software

VendorProductVersions
n/aAndroidAndroid-11; Android-8.0; Android-8.1; Android-9; Android-10

References

Timeline

Published
Jan 11, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-0306: High severity, CVSS 7.8 | Vulnix