What is CVE-2021-25400?

CVE-2021-25400 is a high-severity vulnerability in Samsung Internet, classified under CWE-926. CVSS score: 7.8/10. Published 2021-06-11.

How severe is CVE-2021-25400?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Samsung Internet

CVE-2021-25400

Intent redirection vulnerability in Samsung Internet prior to version 14.0.1.20 allows attacker to execute privileged action.

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

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (12.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.2% 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 Internet
Samsung Mobile Samsug Internet — versions unspecified

Weakness classification (CWE)

CWE-926

References

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

Frequently asked questions

What is CVE-2021-25400?: CVE-2021-25400 is a high-severity vulnerability in Samsung Internet, classified under CWE-926. CVSS score: 7.8/10. Published 2021-06-11.
How severe is CVE-2021-25400?: High severity. CVSS v3 base score is 7.8 out of 10.