Description
This issue was addressed with improved state management of S/MIME encrypted emails. This issue is fixed in macOS Monterey 12.6.8. A S/MIME encrypted email may be inadvertently sent unencrypted.
References (2)
Core 2
Core References
Various Sources
https://blog.aegrel.ee/apple-mail-smime.html
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213844
Scores
CVSS v3
7.5
EPSS
0.0014
EPSS Percentile
33.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
Status
published
Products (1)
apple/macos
12.0.0 - 12.6.8
Published
Sep 12, 2023
Tracked Since
Feb 18, 2026