Is CVE-2023-4579 in the CISA KEV catalog?

No. CVE-2023-4579 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-4579?

CVE-2023-4579 has a CVSS v3 base score of 3.1 (LOW).

What is the EPSS score for CVE-2023-4579?

CVE-2023-4579 has an EPSS score of 0.38% (30th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4579?

Upgrade firefox on debian unstable to 117.0-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2023-4579

LOW

3.1

CVSS v3

NVD

Description

Search queries in the default search engine could appear to have been the currently navigated URL if the search query itself was a well formed URL. This could have led to a site spoofing another if it had been maliciously set as the default search engine. This vulnerability affects Firefox < 117.

How to fix

Remediation Available

firefoxDebian

Fixed in:117.0-1CVE-2023-4579

firefoxUbuntu

Fixed in:117.0+build2-0ubuntu0.20.04.1USN-6320-1

DeveloperEditionWindows application

Affected:117.0Fixed in:117.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:117.0Fixed in:117.0Mozilla

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 ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.38%probability of exploitation in 30 days

30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Issue Tracking1

bugzilla.mozilla.org

Other references1

security.gentoo.org

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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.