CVE-2021-30813: Apple macOS

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. A person with access to a host Mac may be able to bypass the Login Window in Remote Desktop for a locked instance of macOS.

Affected products

• Apple macOS: before 12.0.1 (fixed in 12.0.1)

Published 2021-10-28. Last modified 2026-06-17.