CallKit Call Muting Logic Issue in iOS 14.5 and iPadOS 14.5, watchOS 7.4, macOS Big Sur 11.3

CVE-2021-1872

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.

Learn more about our Cis Benchmark Audit For Apple Ios.