Is CVE-2024-8399 in the CISA KEV catalog?

No. CVE-2024-8399 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-8399?

CVE-2024-8399 has a CVSS v3 base score of 4.7 (MEDIUM).

What is the EPSS score for CVE-2024-8399?

CVE-2024-8399 has an EPSS score of 0.26% (17th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-8399?

Upgrade firefox focus to 130.0 or later.

CVE & CISA-KEV Catalog

CVE-2024-8399

MEDIUM

4.7

CVSS v3

NVD

Description

Websites could utilize Javascript links to spoof URL addresses in the Focus navigation bar This vulnerability affects Focus for iOS < 130.

CWE-290

How to fix

Remediation Available

firefox focusNVD

Affected:< 130.0Fixed in:130.0CVE-2024-8399derived from NVD

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.26%probability of exploitation in 30 days

17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Other references1

bugzilla.mozilla.org

Related Vulnerabilities

Other CWE-290 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-4358	Critical	9.8	97%	KEV	-
CVE-2022-24112	Critical	9.8	96%	KEV	Fix
CVE-2022-23131	Critical	9.1	96%	KEV	-
CVE-2021-29441	High	8.6	74%	-	Fix
CVE-2021-31195	Medium	6.5	74%	-	Fix
CVE-2020-7388	Critical	10.0	70%	-	Fix

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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 2025-03-19.