What is CVE-2021-25368?

CVE-2021-25368 is a low-severity vulnerability in Samsung Cloud, classified under Improper Authentication. CVSS score: 3.3/10. Published 2021-03-25.

How severe is CVE-2021-25368?

Low severity. CVSS v3 base score is 3.3 out of 10.

Auth bypass in Samsung Cloud

CVE-2021-25368

Hijacking vulnerability in Samsung Cloud prior to version 4.7.0.3 allows attackers to intercept when the provider is executed.

Vulnerability class: Broken Authentication

Published 2021-03-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (44.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Samsung Cloud
Samsung Mobile Cloud — versions unspecified

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2021-25368?: CVE-2021-25368 is a low-severity vulnerability in Samsung Cloud, classified under Improper Authentication. CVSS score: 3.3/10. Published 2021-03-25.
How severe is CVE-2021-25368?: Low severity. CVSS v3 base score is 3.3 out of 10.