CVE-2021-25400

Q: How do I fix CVE-2021-25400?

Upgrade internet to 14.0.1.20 or later.

Q: Is CVE-2021-25400 being actively exploited?

Not that we know of. CVE-2021-25400 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.23% is the estimated probability that it will be exploited in the next 30 days. That is higher than 14% of all scored CVEs.

Q: How severe is CVE-2021-25400?

CVE-2021-25400 has a CVSS v3 base score of 7.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2021-25400 affect?

Published advisories record a fix for internet (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

7.8

CVSS v3

NVD

Description

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

CWE-926

How to fix

Remediation Available

internetNVD

Affected:< 14.0.1.20Fixed in:14.0.1.20CVE-2021-25400derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.23%probability of exploitation in 30 days

14thpercentile

Low risk: more likely to be exploited than 14% of all known CVEs.

References

Vendor Advisory1

security.samsungmobile.com

Related Vulnerabilities

Other CWE-926 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-15464	High	7.5	0.5%	-	-
CVE-2025-27599	Medium	6.5	0.3%	-	-
CVE-2025-7891	Medium	5.3	0.3%	-	-
CVE-2025-7890	Medium	5.3	0.3%	-	-
CVE-2025-7892	Medium	5.3	0.3%	-	-
CVE-2025-68713	High	8.0	0.3%	-	-

Common questions

How do I fix CVE-2021-25400?

Upgrade internet to 14.0.1.20 or later.

Is CVE-2021-25400 being actively exploited?

Not that we know of. CVE-2021-25400 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.23% is the estimated probability that it will be exploited in the next 30 days. That is higher than 14% of all scored CVEs.

How severe is CVE-2021-25400?

CVE-2021-25400 has a CVSS v3 base score of 7.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-25400 affect?

Published advisories record a fix for internet (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2021-25400

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.