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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://blog.aegrel.ee/apple-mail-smime.html
https://support.apple.com/en-us/HT213844	Release Notes Vendor Advisory
https://blog.aegrel.ee/apple-mail-smime.html
https://support.apple.com/en-us/HT213844	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

History

21 Nov 2024, 08:19

Type	Values Removed	Values Added
References	~~() https://blog.aegrel.ee/apple-mail-smime.html -~~	() https://blog.aegrel.ee/apple-mail-smime.html -
References	~~() https://support.apple.com/en-us/HT213844 - Release Notes, Vendor Advisory~~	() https://support.apple.com/en-us/HT213844 - Release Notes, Vendor Advisory

30 Jan 2024, 21:15

Type	Values Removed	Values Added
References		() https://blog.aegrel.ee/apple-mail-smime.html -

13 Sep 2023, 03:48

Type	Values Removed	Values Added
First Time		Apple Apple macos
CWE		NVD-CWE-noinfo
CPE		cpe:2.3:o:apple:macos::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
References	~~(MISC) https://support.apple.com/en-us/HT213844 -~~	(MISC) https://support.apple.com/en-us/HT213844 - Release Notes, Vendor Advisory

12 Sep 2023, 00:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-09-12 00:15

Updated : 2025-06-25 14:15

NVD link : CVE-2023-40440

Mitre link : CVE-2023-40440

CVE.ORG link : CVE-2023-40440

JSON object : View

Products Affected

apple

macos

CWE

NVD-CWE-noinfo

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