{"id":"CVE-2023-5554","aliases":["EUVD-2023-57854","GHSA-9q93-64jr-x633"],"status":"published","title":"Lack of TLS certificate verification in log transmission of a financial module within LINE Client...","description":"Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00256,"percentile":0.1736,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2023-10-12T09:34:01Z","modified":"2026-06-17T06:48:49Z","products":[{"vendor":"line corporation","product":"line client for ios"},{"vendor":"linecorp","product":"line"}],"references":[{"url":"https://hackerone.com/reports/2106827","tags":["x_transferred","Permissions Required"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5554"},{"url":"https://github.com/advisories/GHSA-9q93-64jr-x633"}],"sources":{"cve":[{"id":"CVE-2023-5554","description":"Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.","status":"published","published":"2023-10-12T09:34:01.586Z","modified":"2025-12-09T07:26:14.524Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-57854","description":"Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.","status":"published","published":"2023-10-12T09:34:01Z","modified":"2025-12-09T07:26:14Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:49:08.541096Z"}],"ghsa":[{"id":"GHSA-9q93-64jr-x633","title":"Lack of TLS certificate verification in log transmission of a financial module within LINE Client...","description":"Lack of TLS certificate verification in log transmission of a financial module within LINE Client for iOS prior to 13.16.0.","status":"published","published":"2023-10-12T12:30:24Z","modified":"2024-04-04T08:35:18Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:56:59.652212Z"}],"nvd":[{"id":"CVE-2023-5554","description":"Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.","status":"published","published":"2023-10-12T10:15:13.397Z","modified":"2026-06-17T06:48:49.733Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:08:37.83429Z"}]}}