CVE-2023-40440

CVSS 3.1 Score 7.5 of 10 (high)

Details

Published Sep 12, 2023
Updated: Jan 30, 2024

Summary

CVE-2023-40440 is a cyber vulnerability affecting macOS Monterey 12.6.8. The issue involves the state management of S/MIME encrypted emails, which may result in inadvertently sending unencrypted emails. The vulnerability has a high severity rating and poses a potential risk to organizations' confidentiality, with a base score of 7.5 out of 10. No privileges are required for exploitation, and there is no user interaction required. The attack vector is through the network, and the impact is primarily on confidentiality. Remediation can be achieved by updating the affected macOS version to Monterey 12.6.8 or newer.

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