Is CVE-2018-4478 in the CISA KEV catalog?

No. CVE-2018-4478 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-4478?

CVE-2018-4478 has a CVSS v3 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2018-4478?

CVE-2018-4478 has an EPSS score of 0.27% (19th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-4478?

Upgrade mac os x to 10.12.6 or later.

CVE & CISA-KEV Catalog

CVE-2018-4478

MEDIUM

6.8

CVSS v3

NVD

Description

A validation issue was addressed with improved logic. This issue is fixed in macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan. An attacker with physical access to a device may be able to elevate privileges.

CWE-269Improper Privilege Management

How to fix

Remediation Available

mac os xNVD

Affected:>= 10.12, < 10.12.6Fixed in:10.12.6CVE-2018-4478derived 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 VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.27%probability of exploitation in 30 days

19thpercentile

Low risk: more likely to be exploited than 19% of all known CVEs.

References

Vendor Advisory1

support.apple.com

Related Vulnerabilities

Other CWE-269 (Improper Privilege Management) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12635	Critical	9.8	100%	-	Fix
CVE-2022-24637	Critical	9.8	99%	-	Fix
CVE-2017-5689	Critical	9.8	92%	KEV	Fix
CVE-2020-3243	Critical	9.8	88%	-	-
CVE-2024-21888	High	8.8	87%	-	-
CVE-2022-0441	Critical	9.8	85%	-	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 2024-11-21.