What is CVE-2021-25399?

CVE-2021-25399 is a high-severity vulnerability in Samsung Smart Manager, classified under Improper Authorization. CVSS score: 7.1/10. Published 2021-06-11.

How severe is CVE-2021-25399?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Samsung Smart Manager

CVE-2021-25399

Improper configuration in Smart Manager prior to version 11.0.05.0 allows attacker to access the file with system privilege.

Published 2021-06-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (10.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.8% 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 Smart Manager
Samsung Mobile Smart Manager — versions unspecified

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

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

Frequently asked questions

What is CVE-2021-25399?: CVE-2021-25399 is a high-severity vulnerability in Samsung Smart Manager, classified under Improper Authorization. CVSS score: 7.1/10. Published 2021-06-11.
How severe is CVE-2021-25399?: High severity. CVSS v3 base score is 7.1 out of 10.