What is CVE-2023-20924?

CVE-2023-20924 is a medium-severity vulnerability in Google Android, classified under Improper Authentication. CVSS score: 6.8/10. Published 2023-01-26.

How severe is CVE-2023-20924?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Auth bypass in Google Android

CVE-2023-20924

In (TBD) of (TBD), there is a possible way to bypass the lockscreen due to Biometric Auth Failure. This could lead to local escalation of privilege with physical access to the device with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-240428519References: N/A

Vulnerability class: Broken Authentication

Published 2023-01-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Google Android
Android — versions Android kernel

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

source.android.com/security/bulletin/pixel/2023-01-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-20924?: CVE-2023-20924 is a medium-severity vulnerability in Google Android, classified under Improper Authentication. CVSS score: 6.8/10. Published 2023-01-26.
How severe is CVE-2023-20924?: Medium severity. CVSS v3 base score is 6.8 out of 10.