#VU65679 Permissions, Privileges, and Access Controls in macOS - CVE-2021-30943

Vulnerability identifier: #VU65679

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-30943

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to a logic error in the Messages application. A remote user can leave a messages group but continue to receive messages in that group.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 12.0 21A344 - 12.0.1 21A559

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External links
https://support.apple.com/en-us/HT212978

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.