CVE-2021-1872

MediumCVSS 4.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Affected software

No affected versions have been published.

Timeline

Published
Sep 8, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-18736.5An API issue in Accessibility TCC permissions was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, SecurCVE-2021-18748.8A logic issue was addressed with improved state management. This issue is fixed in iOS 14.5 and iPadOS 14.5. An application may be able to eCVE-2021-18757.8A double free issue was addressed with improved memory management. This issue is fixed in Security Update 2021-002 Catalina, Security UpdateCVE-2021-18768.8A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 CaCVE-2021-18775.5An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be ablCVE-2021-18786.5An integer overflow was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 CataliCVE-2021-18796.1This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOCVE-2021-18807.8This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, watchOS 7.4. Processing a maliciously crafted imagCVE-2021-18817.8An out-of-bounds read was addressed with improved input validation. This issue is fixed in Security Update 2021-002 Catalina, Security UpdatCVE-2021-18829.8A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPaCVE-2021-18835.5This issue was addressed with improved checks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4CVE-2021-18845.9A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watc
CVE-2021-1872: Medium severity, CVSS 4.3 | Vulnix