CVE-2020-9849: Apple iCloud

Medium severity, CVSS 6.5. EPSS: 2.1% chance of exploitation in the next 30 days.

An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0. A remote attacker may be able to leak memory.

Affected products

• Apple iCloud: before 11.5 (fixed in 11.5)
• Apple iPadOS: before 14.0 (fixed in 14.0)
• Apple iTunes: from 12.0.0, before 12.10.9 (fixed in 12.10.9)
• Apple macOS: before 11.0.1 (fixed in 11.0.1)
• Apple tvOS: before 14.0 (fixed in 14.0)
• Apple watchOS: before 7.0 (fixed in 7.0)

Published 2020-12-08. Last modified 2026-06-17.