CVE-2021-30968: Apple iPhone OS

Medium severity, CVSS 5.5. EPSS: 1.1% chance of exploitation in the next 30 days.

A validation issue related to hard link behavior was addressed with improved sandbox restrictions. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to bypass certain Privacy preferences.

Affected products

• Apple iPhone OS: before 15.2 (fixed in 15.2)
• Apple Mac OS X: from 10.15, before 10.15.7 (fixed in 10.15.7); version 10.15.7 only
• Apple macOS: from 11.0, before 11.6.2 (fixed in 11.6.2); from 12.0, before 12.1 (fixed in 12.1)
• Apple tvOS: before 15.2 (fixed in 15.2)
• Apple watchOS: before 8.3 (fixed in 8.3)

Published 2021-08-24. Last modified 2026-06-17.