CVE-2021-30668

MEDIUM

macOS Big Sur <11.4 - Privilege Escalation

Title source: llm
STIX 2.1

Description

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4. A person with physical access to a Mac may be able to bypass Login Window during a software update.

References (1)

Core 1
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212529

Scores

CVSS v3 4.6
EPSS 0.0026
EPSS Percentile 17.2%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-287
Status published
Products (1)
apple/macos < 11.4
Published Sep 08, 2021
Tracked Since Feb 18, 2026