CVE-2021-30668

Published: Sep 8, 2021Modified: Jun 17, 2026

4.6

Vector

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

Exploitability: 0.9 / Impact: 3.6

Source: NVD

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.

Affected (1)

Products: Apple: Macos

Apple

1 product

Macos

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Apple Macos	Before 11.4

Related CWEs

CWE-287

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (2)

https://support.apple.com/en-us/HT212529

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212529

Source: af854a3a-2127-422b-91ae-364da2661108

Release NotesVendor Advisory

Timeline

No history available yet.