What’s Vulnerable › Vulnerabilities
CVE-2021-1756
- Severity: low (CVSS 2.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-04-02 · updated 2026-06-17
Description
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
How to fix
Upgrade to a fixed version: Apple iPadOS 14.4; Apple Iphone Os 14.4. Check the vendor advisory for mitigations.
References
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