ByteOS Network

Vulnerability Details :

CVE-2023-40440

Assigner-apple

Assigner Org ID-286789f9-fbc2-4510-9f9a-43facdede74c

Published At-11 Sep, 2023 | 23:29

Updated At-25 Jun, 2025 | 13:43

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.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:apple

Assigner Org ID:286789f9-fbc2-4510-9f9a-43facdede74c

Published At:11 Sep, 2023 | 23:29

Updated At:25 Jun, 2025 | 13:43

▼CVE Numbering Authority (CNA)

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.

Affected Products

Vendor

Apple Inc.

Product

macOS

Versions

Affected

From unspecified before 12.6 (custom)

Problem Types

Type	CWE ID	Description
N/A	N/A	A S/MIME encrypted email may be inadvertently sent unencrypted

Type: N/A

CWE ID: N/A

Description: A S/MIME encrypted email may be inadvertently sent unencrypted

References

Hyperlink	Resource
https://support.apple.com/en-us/HT213844	N/A
https://blog.aegrel.ee/apple-mail-smime.html	N/A

Hyperlink: https://support.apple.com/en-us/HT213844

Resource: N/A

Hyperlink: https://blog.aegrel.ee/apple-mail-smime.html

Resource: N/A

▼Authorized Data Publishers (ADP)

1. CVE Program Container

References

Hyperlink	Resource
https://support.apple.com/en-us/HT213844	x_transferred
https://blog.aegrel.ee/apple-mail-smime.html	x_transferred

Hyperlink: https://support.apple.com/en-us/HT213844

Resource:

x_transferred

Hyperlink: https://blog.aegrel.ee/apple-mail-smime.html

Resource:

x_transferred

2. CISA ADP Vulnrichment

Metrics

Version	Base score	Base severity	Vector
3.1	7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Version: 3.1

Base score: 7.5

Base severity: HIGH

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Metrics Other Info

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:product-security@apple.com

Published At:12 Sep, 2023 | 00:15

Updated At:21 Nov, 2024 | 08:19

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Type: Primary

Version: 3.1

Base score: 7.5

Base severity: HIGH

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CPE Matches

Apple Inc.

>>macos>>Versions from 12.0.0(inclusive) to 12.6.8(exclusive)

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

Weaknesses

CWE ID	Type	Source
NVD-CWE-noinfo	Primary	nvd@nist.gov

CWE ID: NVD-CWE-noinfo

Type: Primary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
https://blog.aegrel.ee/apple-mail-smime.html	product-security@apple.com	N/A
https://support.apple.com/en-us/HT213844	product-security@apple.com	Release Notes Vendor Advisory
https://blog.aegrel.ee/apple-mail-smime.html	af854a3a-2127-422b-91ae-364da2661108	N/A
https://support.apple.com/en-us/HT213844	af854a3a-2127-422b-91ae-364da2661108	Release Notes Vendor Advisory

Hyperlink: https://blog.aegrel.ee/apple-mail-smime.html

Source: product-security@apple.com

Resource: N/A

Hyperlink: https://support.apple.com/en-us/HT213844

Source: product-security@apple.com

Resource:

Release Notes

Vendor Advisory

Hyperlink: https://blog.aegrel.ee/apple-mail-smime.html

Source: af854a3a-2127-422b-91ae-364da2661108

Resource: N/A

Hyperlink: https://support.apple.com/en-us/HT213844

Source: af854a3a-2127-422b-91ae-364da2661108

Resource:

Release Notes

Vendor Advisory

CVE-2023-40440

Credits

Vendors

Products

Metrics (CVSS)

Weaknesses

Attack Patterns

Solution/Workaround

References

EPSS History

Score

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N/A

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N/A

Stakeholder-Specific Vulnerability Categorization (SSVC)

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

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Solutions

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Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

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Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

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Evaluator Solution

Vendor Statements

References

Change History

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