CVE-2021-30888: Apple Ipad OS

High severity, CVSS 7.4. EPSS: 1.7% chance of exploitation in the next 30 days.

An information leakage issue was addressed. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1. A malicious website using Content Security Policy reports may be able to leak information via redirect behavior .

Affected products

• Apple Ipad OS: before 14.8.1 (fixed in 14.8.1)
• Apple iPadOS: version 15.0 only
• Apple iPhone OS: before 14.8.1 (fixed in 14.8.1); version 15.0 only
• Apple macOS: before 12.0.1 (fixed in 12.0.1)
• Apple tvOS: before 15.1 (fixed in 15.1)
• Apple watchOS: before 8.1 (fixed in 8.1)

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