What is CVE-2023-21463?

CVE-2023-21463 is a medium-severity vulnerability in Google Android, classified under Improper Access Control. CVSS score: 4.0/10. Published 2023-03-16.

How severe is CVE-2023-21463?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Vulnerability in Google Android

CVE-2023-21463

Improper access control vulnerability in MyFiles application prior to versions 12.2.09.0 in Android 11, 13.1.03.501 in Android 12 and 14.1.03.0 in Android 13 allows local attacker to get sensitive information of secret mode in Samsung Internet application with specific conditions.

Published 2023-03-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (3.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Google Android — versions 11.0, 12.0, 13.0
Samsung Myfiles
Samsung Mobile Myfiles — versions unspecified

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2023-21463?: CVE-2023-21463 is a medium-severity vulnerability in Google Android, classified under Improper Access Control. CVSS score: 4.0/10. Published 2023-03-16.
How severe is CVE-2023-21463?: Medium severity. CVSS v3 base score is 4.0 out of 10.