CVE-2023-21089 — HIGH (7.8)

Vulnerability Description

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

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	11.0

References

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

FAQ

What is CVE-2023-21089?

CVE-2023-21089 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 privileg...

How severe is CVE-2023-21089?

CVE-2023-21089 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-21089?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.