Unprivileged App Privilege Escalation via Confused Deputy in AudioService's adjustStreamVolume

CVE-2021-1003 · HIGH Severity

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

In adjustStreamVolume of AudioService.java, there is a possible way for unprivileged app to change audio stream volume due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-189857506

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