CVE-2021-1872

MEDIUM

iPadOS < 14.5 - Logic Issue in CallKit Mute State Management

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212317
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212324
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212325

Scores

CVSS v3 4.3
EPSS 0.0104
EPSS Percentile 60.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Details

Status published
Products (3)
apple/ipados < 14.5
apple/iphone_os < 14.5
apple/macos 11.0 - 11.3
Published Sep 08, 2021
Tracked Since Feb 18, 2026