What is CVE-2023-21457?

CVE-2023-21457 is a medium-severity vulnerability in Samsung Android, classified under Improper Access Control. CVSS score: 4.1/10. Published 2023-03-16.

How severe is CVE-2023-21457?

Medium severity. CVSS v3 base score is 4.1 out of 10.

Vulnerability in Samsung Android

CVE-2023-21457

Improper access control vulnerability in Bluetooth prior to SMR Mar-2023 Release 1 allows attackers to send file via Bluetooth without related permission.

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

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (5.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.5% 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, 13.0
Samsung Mobile Devices — versions Android 11, 12, 13

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2023-21457?: CVE-2023-21457 is a medium-severity vulnerability in Samsung Android, classified under Improper Access Control. CVSS score: 4.1/10. Published 2023-03-16.
How severe is CVE-2023-21457?: Medium severity. CVSS v3 base score is 4.1 out of 10.