{"id":"CVE-2018-4227","aliases":["EUVD-2018-16013","GHSA-rh6r-x58g-rprw"],"status":"published","title":"An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10...","description":"An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. The issue involves the \"Mail\" component. It allows remote attackers to read the cleartext content of S/MIME encrypted messages via direct exfiltration.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01831,"percentile":0.79027,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-319"],"published":"2018-06-08T18:00:00Z","modified":"2026-06-17T01:58:37Z","products":[{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"}],"references":[{"url":"https://efail.de/#cve","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://www.securitytracker.com/id/1041027","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/104897","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://support.apple.com/HT208848","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT208849","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4227"},{"url":"https://github.com/advisories/GHSA-rh6r-x58g-rprw"}],"sources":{"cve":[{"id":"CVE-2018-4227","description":"An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. The issue involves the \"Mail\" component. It allows remote attackers to read the cleartext content of S/MIME encrypted messages via direct exfiltration.","status":"published","published":"2018-06-08T18:00:00Z","modified":"2024-08-05T05:11:21.375Z","updated_at":"2026-11-02T14:35:08.024147Z"}],"euvd":[{"id":"EUVD-2018-16013","description":"An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. The issue involves the \"Mail\" component. It allows remote attackers to read the cleartext content of S/MIME encrypted messages via direct exfiltration.","status":"published","published":"2018-06-08T18:00:00Z","modified":"2024-08-05T05:11:21Z","updated_at":"2026-11-03T02:40:14.130834Z"}],"ghsa":[{"id":"GHSA-rh6r-x58g-rprw","title":"An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10...","description":"An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. The issue involves the \"Mail\" component. It allows remote attackers to read the cleartext content of S/MIME encrypted messages via direct exfiltration.","status":"published","published":"2022-05-13T01:52:41Z","modified":"2023-02-02T05:02:15Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:51:23.915291Z"}],"nvd":[{"id":"CVE-2018-4227","description":"An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. The issue involves the \"Mail\" component. It allows remote attackers to read the cleartext content of S/MIME encrypted messages via direct exfiltration.","status":"published","published":"2018-06-08T18:29:01.82Z","modified":"2026-06-17T01:58:37.517Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:04:28.483469Z"}]}}