CVE-2021-1781 Information

Description

A privacy issue existed in the handling of Contact cards. This was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2 Security Update 2021-001 Catalina Security Update 2021-001 Mojave iOS 14.4 and iPadOS 14.4. A malicious application may be able to leak sensitive user information.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212146 https://support.apple.com/en-us/HT212147

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5