CVE-2023-40440

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

T

his 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

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

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

macos

CWE

NVD-CWE-noinfo

{"id": "CVE-2023-40440", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2023-09-12T00:15:09.133", "references": [{"url": "https://blog.aegrel.ee/apple-mail-smime.html", "source": "[email protected]"}, {"url": "https://support.apple.com/en-us/HT213844", "tags": ["Release Notes", "Vendor Advisory"], "source": "[email protected]"}, {"url": "https://blog.aegrel.ee/apple-mail-smime.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://support.apple.com/en-us/HT213844", "tags": ["Release Notes", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Este problema se solucion\u00f3 mejorando la gesti\u00f3n del estado de los correos electr\u00f3nicos cifrados S/MIME. Este problema se solucion\u00f3 en macOS Monterey 12.6.8. Un correo electr\u00f3nico cifrado S/MIME puede enviarse sin cifrar sin darse cuenta."}], "lastModified": "2025-06-25T14:15:21.393", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A47C992E-C336-403A-A534-E1A33C7338DE", "versionEndExcluding": "12.6.8", "versionStartIncluding": "12.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}