CVE-2021-30904

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

A sync issue was addressed with improved state validation. This issue is fixed in macOS Monterey 12.0.1. A user's messages may continue to sync after the user has signed out of iMessage.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-662

Affected software

No affected versions have been published.

Timeline

Published
Aug 24, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-309055.5An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tCVE-2021-309067.8This issue was addressed with improved checks. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.1, watchOS 8.CVE-2021-309077.8An integer overflow was addressed through improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1,CVE-2021-309083.3An authentication issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.1. A CVE-2021-309097.8A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.CVE-2021-309105.5An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tCVE-2021-309115.5An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 CaCVE-2021-309125.5The issue was addressed with improved permissions logic. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, maCVE-2021-309135.5The issue was addressed with improved permissions logic. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.1. An unprivilegedCVE-2021-309147.8A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1. An application may CVE-2021-309152.4A logic issue was addressed with improved state management. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.CVE-2021-309167.8A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.
CVE-2021-30904: Medium severity, CVSS 5.3 | Vulnix