CVE-2021-30850: Apple Mac OS X

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

An access issue was addressed with improved access restrictions. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6, tvOS 15. A user may gain access to protected parts of the file system.

Affected products

• Apple Mac OS X: from 10.15, up to and including 10.15.6; version 10.15.7 only
• Apple macOS: from 11.0, before 11.6 (fixed in 11.6)
• Apple tvOS: before 15.0 (fixed in 15.0)

Published 2021-10-19. Last modified 2026-06-17.