What is CVE-2023-21089?

CVE-2023-21089 is a high-severity vulnerability in Google Android. CVSS score: 7.8/10. Published 2023-04-19.

How severe is CVE-2023-21089?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Google Android

CVE-2023-21089

In startInstrumentation of ActivityManagerService.java, there is a possible way to keep the foreground service alive while the app is in the background. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-237766679

EPSS: 0.001 (0.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 11.0, 12.0, 12.1
N/a Android — versions Android-11 Android-12 Android-12L Android-13

References

security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-21089?: CVE-2023-21089 is a high-severity vulnerability in Google Android. CVSS score: 7.8/10. Published 2023-04-19.
How severe is CVE-2023-21089?: High severity. CVSS v3 base score is 7.8 out of 10.