CVE-2021-30720: Apple iPadOS

Medium severity, CVSS 5.4. EPSS: 1.4% chance of exploitation in the next 30 days.

A logic issue was addressed with improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. A malicious website may be able to access restricted ports on arbitrary servers.

Affected products

• Apple iPadOS: before 14.6 (fixed in 14.6)
• Apple iPhone OS: before 14.6 (fixed in 14.6)
• Apple macOS: from 11.0.1, before 11.4 (fixed in 11.4)
• Apple Safari: before 14.1.1 (fixed in 14.1.1)
• Apple tvOS: before 14.6 (fixed in 14.6)
• Apple watchOS: before 7.5 (fixed in 7.5)

Published 2021-09-08. Last modified 2026-06-17.