PT-2021-13634 · Apple · Ios+4

Siraj Zaneer · Published 2021-04-26 · Updated 2021-09-20 · CVE-2021-1872

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: iOS versions prior to 14.5 iPadOS versions prior to 14.5 watchOS versions prior to 7.4 macOS Big Sur versions prior to 11.3

Description: A logic issue was addressed with improved state management. The issue concerns muting a CallKit call while it is ringing, which may not result in mute being enabled.

Recommendations: For iOS versions prior to 14.5, update to iOS 14.5 or later. For iPadOS versions prior to 14.5, update to iPadOS 14.5 or later. For watchOS versions prior to 7.4, update to watchOS 7.4 or later. For macOS Big Sur versions prior to 11.3, update to macOS Big Sur 11.3 or later.

Fix

Related Identifiers

CVE-2021-1872

Affected Products

Apple Macos

Ios

Ipados

Macos Big Sur

Watchos

References · 7

• https://support.apple.com/en-us/HT212317 · Vendor Advisory
• https://support.apple.com/en-us/HT212325 · Vendor Advisory
• https://support.apple.com/en-us/HT212324 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1872 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1872 · Security Note
• https://support.apple.com/en-us/103126 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1872 · Note