{"id":"CVE-2023-40440","state":"PUBLISHED","title":"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","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.","publishedAt":"2023-09-11T23:29:25.854Z","updatedAt":"2025-06-25T13:43:30.077Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"apple","products":["Apple macOS"],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"version":"unspecified","status":"affected","lessThan":"12.6","versionType":"custom"}]}],"references":["https://support.apple.com/en-us/HT213844","https://blog.aegrel.ee/apple-mail-smime.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:17.512Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/40xxx/CVE-2023-40440.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-40440","state":"PUBLISHED","datePublished":"2023-09-11T23:29:25.854Z","dateUpdated":"2025-06-25T13:43:30.077Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2023-08-14T20:26:36.261Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"version":"unspecified","status":"affected","lessThan":"12.6","versionType":"custom"}]}],"references":[{"url":"https://support.apple.com/en-us/HT213844"},{"url":"https://blog.aegrel.ee/apple-mail-smime.html"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"A S/MIME encrypted email may be inadvertently sent unencrypted"}]}],"providerMetadata":{"shortName":"apple","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateUpdated":"2024-01-30T20:36:56.120Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://support.apple.com/en-us/HT213844","tags":["x_transferred"]},{"url":"https://blog.aegrel.ee/apple-mail-smime.html","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T18:31:53.795Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"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"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-06-25T13:42:39.951803Z","id":"CVE-2023-40440","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-25T13:43:30.077Z"}}]}}}