Vulnerability Details : CVE-2023-40440
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.
Products affected by CVE-2023-40440
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-40440
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-40440
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
References for CVE-2023-40440
-
https://support.apple.com/en-us/HT213844
About the security content of macOS Monterey 12.6.8 - Apple SupportRelease Notes;Vendor Advisory
-
https://blog.aegrel.ee/apple-mail-smime.html
Apple Mail S/MIME | blog.aegrel.ee
Jump to