What is CVE-2023-21442?

CVE-2023-21442 is a medium-severity vulnerability in Samsung Android, classified under Improper Access Control. CVSS score: 4.0/10. Published 2023-02-09.

How severe is CVE-2023-21442?

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

Vulnerability in Samsung Android

CVE-2023-21442

Improper access control vulnerability in Runestone application prior to version 2.9.09.003 in Android R(11) and 3.2.01.007 in Android S(12) allows local attackers to get device location information.

Published 2023-02-09 · 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: 0.002 (3.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% 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

Samsung Android — versions 11.0, 12.0
Samsung Mobile Runestone — versions unspecified

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2023-21442?: CVE-2023-21442 is a medium-severity vulnerability in Samsung Android, classified under Improper Access Control. CVSS score: 4.0/10. Published 2023-02-09.
How severe is CVE-2023-21442?: Medium severity. CVSS v3 base score is 4.0 out of 10.