What is CVE-2025-20966?

CVE-2025-20966 is a medium-severity vulnerability in Samsung Android, classified under CWE-284: IMPROPER ACCESS CONTROL. CVSS score: 4.6/10. Published 2025-05-07.

How severe is CVE-2025-20966?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Samsung Android

CVE-2025-20966

Improper access control in Samsung Gallery prior to version 14.5.10.3 in Global Android 13, 14.5.09.3 in China Android 13, and 15.5.04.5 in Android 14 allows physical attackers to access data across multiple user profiles.

Published 2025-05-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (9.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.3% 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

Samsung Android — versions 13.0, 14.0
Samsung Gallery
Samsung Mobile Gallery — versions 14.5.10.3 in Global Android 13, 14.5.09.3 in China Android 13, and 15.5.04.5 in Android 14

References

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

Frequently asked questions

What is CVE-2025-20966?: CVE-2025-20966 is a medium-severity vulnerability in Samsung Android, classified under CWE-284: IMPROPER ACCESS CONTROL. CVSS score: 4.6/10. Published 2025-05-07.
How severe is CVE-2025-20966?: Medium severity. CVSS v3 base score is 4.6 out of 10.