{"id":"CVE-2023-40544","aliases":["EUVD-2023-45115","GHSA-7jrg-2597-p2hc"],"status":"published","title":"Westermo Lynx Cleartext Transmission of Sensitive Information","description":"An attacker with access to the network where the affected devices are located could maliciously actions to obtain, via a sniffer, sensitive information exchanged via TCP communications.","severity":{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00168,"percentile":0.06173,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-319"],"published":"2024-02-06T21:27:00Z","modified":"2026-06-17T06:18:23Z","products":[{"vendor":"westermo","product":"l206-f2g_firmware"},{"vendor":"westermo","product":"lynx"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40544"},{"url":"https://github.com/advisories/GHSA-7jrg-2597-p2hc"}],"sources":{"cve":[{"id":"CVE-2023-40544","title":"Westermo Lynx Cleartext Transmission of Sensitive Information","description":"\n\n\n\n\n\n\n\n\n\n\nAn attacker with access to the network where the affected devices are located could maliciously actions to obtain, via a sniffer, sensitive information exchanged via TCP communications.\n\n\n\n","status":"published","published":"2024-02-06T21:27:00.798Z","modified":"2024-08-02T18:38:50.381Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:35:22.309324Z"}],"euvd":[{"id":"EUVD-2023-45115","description":"\n\n\n\n\n\n\n\n\n\n\nAn attacker with access to the network where the affected devices are located could maliciously actions to obtain, via a sniffer, sensitive information exchanged via TCP communications.\n\n\n\n","status":"published","published":"2024-02-06T21:27:00Z","modified":"2024-08-02T18:38:50Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:50:01.590469Z"}],"ghsa":[{"id":"GHSA-7jrg-2597-p2hc","title":"\n\n\n\n\n\n\n\n\n\n\nAn attacker with access to the network where the affected devices are located could...","description":"\n\n\n\n\n\n\n\n\n\n\nAn attacker with access to the network where the affected devices are located could maliciously actions to obtain, via a sniffer, sensitive information exchanged via TCP communications.\n\n\n\n","status":"published","published":"2024-02-07T00:30:25Z","modified":"2024-02-07T00:30:32Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:55:34.118086Z"}],"nvd":[{"id":"CVE-2023-40544","description":"\n\n\n\n\n\n\n\n\n\n\nAn attacker with access to the network where the affected devices are located could maliciously actions to obtain, via a sniffer, sensitive information exchanged via TCP communications.\n\n\n\n","status":"published","published":"2024-02-06T22:16:13.337Z","modified":"2026-06-17T06:18:23.46Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:09:04.527564Z"}]}}