CVE-2021-30668

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CVSS 3.1

4.6 medium

EPSS

<1%p19

Published

Sep 8, 2021 (Sep 8, 2021)

Modified

Jun 17, 2026

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.

Vendors: apple
Products: macos
Weakness: CWE-287
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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