Vulnerability · Published Sep 8, 2021 · Assigned by apple

CVE-2021-1872

Medium 4.3

In plain English

A medium-severity security flaw in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS NVD)4.3Medium

Exploit odds (30 days)1.0%top 35.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Apple	iOS and iPadOS	unspecified – before 14.5
Apple	watchOS	unspecified – before 7.4
Apple	macOS	unspecified – before 11.3

References

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