CVE-2021-30855: Apple iPadOS

Medium severity, CVSS 5.5. EPSS: 2.4% chance of exploitation in the next 30 days.

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. An application may be able to access restricted files.

Affected products

• Apple iPadOS: before 14.8 (fixed in 14.8)
• Apple iPhone OS: before 14.8 (fixed in 14.8)
• Apple Mac OS X: before 10.15.7 (fixed in 10.15.7); version 10.15.7 only
• Apple macOS: before 11.6 (fixed in 11.6)
• Apple tvOS: before 15.0 (fixed in 15.0)
• Apple watchOS: before 8.0 (fixed in 8.0)

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