CVE-2021-30943

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

24/08/2021

Last modified:

07/11/2023

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x

4.30

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:L/Au:S/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0

4.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:apple:ipados::::::::		15.2 (excluding)
cpe:2.3:o:apple:iphone_os::::::::		15.2 (excluding)
cpe:2.3:o:apple:macos::::::::	12.0.0 (including)	12.1 (excluding)
cpe:2.3:o:apple:watchos::::::::		8.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-30943

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools