CVE-2021-1872 Information

Description

A logic issue was addressed with improved state management. This issue is fixed in iOS 14.5 and iPadOS 14.5 watchOS 7.4 macOS Big Sur 11.3. Muting a CallKit call while ringing may not result in mute being enabled.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212317 https://support.apple.com/en-us/HT212325 https://support.apple.com/en-us/HT212324

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

4.3