What is CVE-2023-21438?

CVE-2023-21438 is a low-severity vulnerability in Samsung Android, classified under Improper Access Control. CVSS score: 2.1/10. Published 2023-02-09.

How severe is CVE-2023-21438?

Low severity. CVSS v3 base score is 2.1 out of 10.

Vulnerability in Samsung Android

CVE-2023-21438

Improper logic in HomeScreen prior to SMR Feb-2023 Release 1 allows physical attacker to access App preview protected by Secure Folder.

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

CVSS v3 metric

CVSS v3 base score 2.1 (Low). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (12.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.5% 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

Samsung Android — versions 11.0, 12.0
Samsung Mobile Devices — versions R(11), S(12)

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2023-21438?: CVE-2023-21438 is a low-severity vulnerability in Samsung Android, classified under Improper Access Control. CVSS score: 2.1/10. Published 2023-02-09.
How severe is CVE-2023-21438?: Low severity. CVSS v3 base score is 2.1 out of 10.