What’s Vulnerable › Vulnerabilities
CVE-2021-1755
- 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
- Weakness: CWE-862
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 macOS Big Sur 11.0.1. A person with physical access to an iOS device may be able to access contacts from the lock screen.
Affected products
- Apple macOS: before 11.0.1 — fixed in 11.0.1
How to fix
Upgrade to a fixed version: Apple macOS 11.0.1. Check the vendor advisory for mitigations.
References
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