What is CVE-2023-21419?

CVE-2023-21419 is a medium-severity vulnerability in Google Android, classified under Improper Authentication. CVSS score: 4.3/10. Published 2023-02-09.

How severe is CVE-2023-21419?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Google Android

CVE-2023-21419

An improper implementation logic in Secure Folder prior to SMR Jan-2023 Release 1 allows the Secure Folder container remain unlocked under certain condition.

Vulnerability class: Broken Authentication

Published 2023-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.3% 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 — versions 12.0
Samsung Mobile Devices — versions S(12)

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21419?: CVE-2023-21419 is a medium-severity vulnerability in Google Android, classified under Improper Authentication. CVSS score: 4.3/10. Published 2023-02-09.
How severe is CVE-2023-21419?: Medium severity. CVSS v3 base score is 4.3 out of 10.