{"id":"CVE-2023-50703","aliases":["EUVD-2023-55480","GHSA-f76w-jwj3-g9rc"],"status":"published","title":"Cleartext Transmission of Sensitive Information in EFACEC UC 500E","description":"An attacker with network access could perform a man-in-the-middle (MitM) attack and capture sensitive information to gain unauthorized access to the application.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00263,"percentile":0.18341,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-319"],"published":"2023-12-19T23:40:49Z","modified":"2026-06-17T06:39:48Z","products":[{"vendor":"efacec","product":"uc 500e"},{"vendor":"efacec","product":"uc_500e_firmware"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-03","tags":["government-resource","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50703"},{"url":"https://github.com/advisories/GHSA-f76w-jwj3-g9rc"}],"sources":{"cve":[{"id":"CVE-2023-50703","title":" Cleartext Transmission of Sensitive Information in EFACEC UC 500E","description":"\nAn attacker with network access could perform a man-in-the-middle (MitM) attack and capture sensitive information to gain unauthorized access to the application.\n\n\n\n\n","status":"published","published":"2023-12-19T23:40:49.215Z","modified":"2026-02-25T16:34:33.086Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:35:34.55015Z"}],"euvd":[{"id":"EUVD-2023-55480","description":"\nAn attacker with network access could perform a man-in-the-middle (MitM) attack and capture sensitive information to gain unauthorized access to the application.\n\n\n\n\n","status":"published","published":"2023-12-19T23:40:49Z","modified":"2026-02-25T16:34:33Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:48:29.128374Z"}],"ghsa":[{"id":"GHSA-f76w-jwj3-g9rc","title":"\nAn attacker with network access could perform a man-in-the-middle (MitM) attack and capture...","description":"\nAn attacker with network access could perform a man-in-the-middle (MitM) attack and capture sensitive information to gain unauthorized access to the application.\n\n\n\n\n","status":"published","published":"2023-12-20T00:32:45Z","modified":"2023-12-20T00:32:49Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","level":"medium"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:55:14.600975Z"}],"nvd":[{"id":"CVE-2023-50703","description":"\nAn attacker with network access could perform a man-in-the-middle (MitM) attack and capture sensitive information to gain unauthorized access to the application.\n\n\n\n\n","status":"published","published":"2023-12-20T00:15:08.877Z","modified":"2026-06-17T06:39:48.913Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:08:56.329586Z"}]}}