{"id":"CVE-2017-13863","aliases":["EUVD-2017-5378","GHSA-vc62-m272-7vg5"],"status":"published","title":"An issue was discovered in certain Apple products. iOS before 11 is affected. The issue involves...","description":"An issue was discovered in certain Apple products. iOS before 11 is affected. The issue involves the \"APNs\" component. It allows man-in-the-middle attackers to track users by leveraging the transmission of client certificates.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00415,"percentile":0.36065,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2018-04-03T06:00:00Z","modified":"2026-06-17T01:05:18Z","products":[{"vendor":"apple","product":"iphone_os"}],"references":[{"url":"https://support.apple.com/HT208112","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-13863"},{"url":"https://github.com/advisories/GHSA-vc62-m272-7vg5"}],"sources":{"cve":[{"id":"CVE-2017-13863","description":"An issue was discovered in certain Apple products. iOS before 11 is affected. The issue involves the \"APNs\" component. It allows man-in-the-middle attackers to track users by leveraging the transmission of client certificates.","status":"published","published":"2018-04-03T06:00:00Z","modified":"2024-08-05T19:13:41.205Z","updated_at":"2026-11-02T14:33:17.903346Z"}],"euvd":[{"id":"EUVD-2017-5378","description":"An issue was discovered in certain Apple products. iOS before 11 is affected. The issue involves the \"APNs\" component. It allows man-in-the-middle attackers to track users by leveraging the transmission of client certificates.","status":"published","published":"2018-04-03T06:00:00Z","modified":"2024-08-05T19:13:41Z","updated_at":"2026-11-03T02:23:18.651125Z"}],"ghsa":[{"id":"GHSA-vc62-m272-7vg5","title":"An issue was discovered in certain Apple products. iOS before 11 is affected. The issue involves...","description":"An issue was discovered in certain Apple products. iOS before 11 is affected. The issue involves the \"APNs\" component. It allows man-in-the-middle attackers to track users by leveraging the transmission of client certificates.","status":"published","published":"2022-05-14T03:27:08Z","modified":"2023-02-02T05:08:19Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:52:43.044224Z"}],"nvd":[{"id":"CVE-2017-13863","description":"An issue was discovered in certain Apple products. iOS before 11 is affected. The issue involves the \"APNs\" component. It allows man-in-the-middle attackers to track users by leveraging the transmission of client certificates.","status":"published","published":"2018-04-03T06:29:00.767Z","modified":"2026-06-17T01:05:18.137Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:04:17.032862Z"}]}}