High severity7.8NVD Advisory· Published Apr 19, 2023· Updated Jun 17, 2026
CVE-2023-21083
CVE-2023-21083
Description
In onNullBinding of CallScreeningServiceHelper.java, there is a possible way to record audio without showing a privacy indicator due to a permissions bypass. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-252762941
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Affected products
2Patches
Vulnerability mechanics
References
1- source.android.com/security/bulletin/2023-04-01nvdVendor Advisory
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