CVE-2021-30943
MEDIUM
4.3
CVSS Score
Published: August 24, 2021 at 06:50 PM UTC
Updated: June 17, 2026 at 03:51 AM UTC
4 products affected across 1 vendormacOSiPhone OSiPadOS
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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.8%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 15.2
Affected range stops below 15.2, so it looks safe — our inference, not a vendor statement
v < 15.2
Affected range stops below 15.2, so it looks safe — our inference, not a vendor statement
12.0.0 ≤ v < 12.1
Affected range stops below 12.1, so it looks safe — our inference, not a vendor statement
v < 12.1v < 15.2v < 8.3
Affected range stops below 12.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-613
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