SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-30943

A malicious user may be able to leave a messages group but continue to receive messages in that group.

MEDIUM 4.3EPSS 0.80%

Does this matter?

Lower severity and a low EPSS score (0.80%). Track it; it rarely justifies an emergency change on its own.

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 3.1
4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
0.80% probability · 55th percentile
CISA KEV
Not listed
Weakness
CWE-613
Affected
apple/ipados · apple/iphone os · apple/macos · apple/watchos
Source
product-security@apple.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.