CVE-2023-21083

7.8 highEPSS 0.09%

High (7.8) in google android. EPSS 0.09% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.09% chance of exploitation in the next 30 days; higher than 0% of CVEs (scores of 2026-10-31)
Published: 2023-04-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

google:android

References

https://source.android.com/security/bulletin/2023-04-01
https://source.android.com/security/bulletin/2023-04-01

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