What is CVE-2018-4478?

CVE-2018-4478 is a medium-severity vulnerability in Apple Macos, classified under Improper Privilege Management. CVSS score: 6.8/10. Published 2021-12-23.

How severe is CVE-2018-4478?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Privilege escalation in Apple Macos

CVE-2018-4478

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.

Vulnerability class: Privilege Escalation

EPSS: 0.003 (19.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apple Macos — versions unspecified
Apple Mac_os_x — versions 10.11.6, 10.12.6

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2018-4478?: CVE-2018-4478 is a medium-severity vulnerability in Apple Macos, classified under Improper Privilege Management. CVSS score: 6.8/10. Published 2021-12-23.
How severe is CVE-2018-4478?: Medium severity. CVSS v3 base score is 6.8 out of 10.