What is CVE-2026-20975?

CVE-2026-20975 is a medium-severity vulnerability in Samsung Cloud, classified under CWE-280: IMPROPER HANDLING OF INSUFFICIENT PERMISSIONS OR PRIVILEGES. CVSS score: 5.5/10. Published 2026-01-09.

How severe is CVE-2026-20975?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Samsung Cloud

CVE-2026-20975

Improper handling of insufficient permission in Samsung Cloud prior to version 5.6.11 allows local attackers to access specific files in arbitrary path.

Published 2026-01-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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

Samsung Cloud
Samsung Mobile Cloud — versions 5.6.11

References

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

Frequently asked questions

What is CVE-2026-20975?: CVE-2026-20975 is a medium-severity vulnerability in Samsung Cloud, classified under CWE-280: IMPROPER HANDLING OF INSUFFICIENT PERMISSIONS OR PRIVILEGES. CVSS score: 5.5/10. Published 2026-01-09.
How severe is CVE-2026-20975?: Medium severity. CVSS v3 base score is 5.5 out of 10.