CVE-2021-30943 Information

Description

An issue in the handling of group membership was resolved with improved logic. This issue is fixed in iOS 15.2 and iPadOS 15.2 watchOS 8.3 macOS Monterey 12.1. A malicious user may be able to leave a messages group but continue to receive messages in that group.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212975 https://support.apple.com/en-us/HT212978 https://support.apple.com/en-us/HT212976

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

4.3