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High severity7.8NVD Advisory· Published Jan 11, 2021· Updated Jun 17, 2026

CVE-2021-0306

CVE-2021-0306

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.

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Affected products

2
  • Android/Androiddescription
  • Google/Android SDKllm-fuzzy
    Range: Android-8.0, Android-8.1, Android-9, Android-10, Android-11

Patches

Vulnerability mechanics

References

1

News mentions

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