{"id":"CVE-2023-40440","aliases":["EUVD-2023-45011","GHSA-ppmf-rp3c-49x9"],"status":"published","title":"This issue was addressed with improved state management of S/MIME encrypted emails. This issue is...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00548,"percentile":0.46367,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-09-11T23:29:25Z","modified":"2026-06-17T06:17:50Z","products":[{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/HT213844","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://blog.aegrel.ee/apple-mail-smime.html","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40440"},{"url":"https://github.com/advisories/GHSA-ppmf-rp3c-49x9"}],"sources":{"cve":[{"id":"CVE-2023-40440","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.","status":"published","published":"2023-09-11T23:29:25.854Z","modified":"2025-06-25T13:43:30.077Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:35:21.612665Z"}],"euvd":[{"id":"EUVD-2023-45011","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.","status":"published","published":"2023-09-11T23:29:25Z","modified":"2025-06-25T13:43:30Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T20:32:16.964954Z"}],"ghsa":[{"id":"GHSA-ppmf-rp3c-49x9","title":"This issue was addressed with improved state management of S/MIME encrypted emails. This issue is...","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.","status":"published","published":"2023-09-12T00:30:26Z","modified":"2024-02-08T05:08:17Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T14:55:34.624515Z"}],"nvd":[{"id":"CVE-2023-40440","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.","status":"published","published":"2023-09-12T00:15:09.133Z","modified":"2026-06-17T06:17:50.757Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"updated_at":"2026-11-02T14:08:28.268644Z"}]}}