High severity7.8NVD Advisory· Published Dec 15, 2021· Updated Jun 17, 2026
CVE-2021-1003
CVE-2021-1003
Description
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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Affected products
2- Android/Androiddescription
Patches
Vulnerability mechanics
References
1- source.android.com/security/bulletin/pixel/2021-12-01nvdVendor Advisory
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