CVE-2021-1755 Information

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.

CVSS Vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Reference

https://support.apple.com/en-us/HT211931

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

2.4