What is CVE-2023-21092?

CVE-2023-21092 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2023-04-19.

How severe is CVE-2023-21092?

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

Improper input validation in Google Android

CVE-2023-21092

In retrieveServiceLocked of ActiveServices.java, there is a possible way to dynamically register a BroadcastReceiver using permissions of System App due to improper input validation. 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-242040055

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

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

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-21092?: CVE-2023-21092 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2023-04-19.
How severe is CVE-2023-21092?: High severity. CVSS v3 base score is 7.8 out of 10.