CVE-2021-1756: Apple iPadOS

Low severity, CVSS 2.4. EPSS: 0.3% chance of exploitation in the next 30 days.

A lock screen issue allowed access to contacts on a locked device. This issue was addressed with improved state management. This issue is fixed in iOS 14.4 and iPadOS 14.4. An attacker with physical access to a device may be able to see private contact information.

Affected products

• Apple iPadOS: before 14.4 (fixed in 14.4)
• Apple iPhone OS: before 14.4 (fixed in 14.4)

Published 2021-04-02. Last modified 2026-06-17.