7.2

CVE-2018-4478: apple mac_os_x Improper Privilege Management

CVSS: 7.2v2.0HighModified
Published 23-12-2021Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-4478 is a high (CVSS 7.2) Improper Privilege Management vulnerability in apple mac_os_x. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.5% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v2.0 (NVD)
EPSS score
0.28%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-12-2021
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

+0.01 pp

From 0.27% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.28%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apple2 products
  • mac_os_x< 10.13.5 | ≥ 10.11, < 10.11.6 | ≥ 10.12, < 10.12.6 | 10.11.6 | 10.11.6:security_update_2016-001 | 10.11.6:security_update_2016-002 | 10.11.6:security_update_2016-003 | 10.11.6:security_update_2017-001 | 10.11.6:security_update_2017-002 | 10.11.6:security_update_2017-003 | 10.11.6:security_update_2017-004 | 10.11.6:security_update_2017-005 | 10.11.6:security_update_2018-001 | 10.11.6:security_update_2018-002 | 10.12.6 | 10.12.6:security_update_2017-001 | 10.12.6:security_update_2017-002 | 10.12.6:security_update_2018-001 | 10.12.6:security_update_2018-002
  • macos≥ unspecified, < 10.13

1 vendor · 2 products

References

1 links