CVE-2021-25366

LOWNVD 3.22.9▼

3.2

Improper access control in Samsung Internet prior to version 13.2.1.70 allows physically proximate attackers to bypass the secret mode's authentication.

CVSS v3: 3.2
EG Score: 2.9(medium)
EPSS: 21.3%
KEV: Not listed

Published

March 25, 2021

Last Modified

November 21, 2024

References (4)

mobilehttps://security.samsungmobile.com/
mobilehttps://security.samsungmobile.com/serviceWeb.smsb
af854a3a-2127-422b-91ae-364da2661108https://security.samsungmobile.com/
af854a3a-2127-422b-91ae-364da2661108https://security.samsungmobile.com/serviceWeb.smsb

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 19:11 UTCEG score recompute
2026-05-26 19:11 UTCGHSA enrichment
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 10:46 UTCOSV refresh

Frequently asked(5)

What is CVE-2021-25366?

CVE-2021-25366 is a low vulnerability published on March 25, 2021. Improper access control in Samsung Internet prior to version 13.2.1.70 allows physically proximate attackers to bypass the secret mode's authentication.

When was CVE-2021-25366 disclosed?

CVE-2021-25366 was first published in the National Vulnerability Database on March 25, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-25366 actively exploited?

CVE-2021-25366 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-25366?

CVE-2021-25366 has a CVSS v3 base score of 3.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 2.9.

How do I remediate CVE-2021-25366?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-25366, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-25366

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Is Your Infrastructure Affected by CVE-2021-25366?

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CVE-2021-25366

📅 Published

🔄 Last Modified

🔗 References (4)