CVE-2020-9821: Apple iPadOS

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected products

• Apple iPadOS: before 13.5 (fixed in 13.5)
• Apple iPhone OS: before 13.5 (fixed in 13.5)
• Apple Mac OS X: before 10.15.5 (fixed in 10.15.5)
• Apple tvOS: before 13.4.5 (fixed in 13.4.5)
• Apple watchOS: before 6.2.5 (fixed in 6.2.5)

Published 2020-06-09. Last modified 2026-06-17.