{"id":"CVE-2020-12117","aliases":["EUVD-2020-4433","GHSA-x286-c2gq-hhf2"],"status":"published","title":"Moxa Service in Moxa NPort 5150A firmware version 1.5 and earlier allows attackers to obtain...","description":"Moxa Service in Moxa NPort 5150A firmware version 1.5 and earlier allows attackers to obtain sensitive configuration values via a crafted packet to UDP port 4800. NOTE: Moxa Service is an unauthenticated service that runs upon a first-time installation but can be disabled without ill effect.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01398,"percentile":0.72661,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-306"],"published":"2020-05-01T13:41:37Z","modified":"2026-06-17T02:51:26Z","products":[{"vendor":"moxa","product":"nport_5100a_firmware"}],"references":[{"url":"https://www.moxa.com/en/support/support/security-advisory/nport-5100a-series-serial-device-servers-vulnerability","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://blog.scadafence.com/technical-blog-cve-2020-12117-industrial-iot-insecure-default-configurations","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12117"},{"url":"https://github.com/advisories/GHSA-x286-c2gq-hhf2"}],"sources":{"cve":[{"id":"CVE-2020-12117","description":"Moxa Service in Moxa NPort 5150A firmware version 1.5 and earlier allows attackers to obtain sensitive configuration values via a crafted packet to UDP port 4800. NOTE: Moxa Service is an unauthenticated service that runs upon a first-time installation but can be disabled without ill effect.","status":"published","published":"2020-05-01T13:41:37Z","modified":"2024-08-04T11:48:58.328Z","updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-4433","description":"Moxa Service in Moxa NPort 5150A firmware version 1.5 and earlier allows attackers to obtain sensitive configuration values via a crafted packet to UDP port 4800. NOTE: Moxa Service is an unauthenticated service that runs upon a first-time installation but can be disabled without ill effect.","status":"published","published":"2020-05-01T13:41:37Z","modified":"2024-08-04T11:48:58Z","updated_at":"2026-11-03T03:07:40.81889Z"}],"ghsa":[{"id":"GHSA-x286-c2gq-hhf2","title":"Moxa Service in Moxa NPort 5150A firmware version 1.5 and earlier allows attackers to obtain...","description":"Moxa Service in Moxa NPort 5150A firmware version 1.5 and earlier allows attackers to obtain sensitive configuration values via a crafted packet to UDP port 4800. NOTE: Moxa Service is an unauthenticated service that runs upon a first-time installation but can be disabled without ill effect.","status":"published","published":"2022-05-24T17:17:02Z","modified":"2023-01-29T05:02:24Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-306"],"updated_at":"2026-11-02T14:45:04.822413Z"}],"nvd":[{"id":"CVE-2020-12117","description":"Moxa Service in Moxa NPort 5150A firmware version 1.5 and earlier allows attackers to obtain sensitive configuration values via a crafted packet to UDP port 4800. NOTE: Moxa Service is an unauthenticated service that runs upon a first-time installation but can be disabled without ill effect.","status":"published","published":"2020-05-01T14:15:11.467Z","modified":"2026-06-17T02:51:26.13Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","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-306"],"updated_at":"2026-11-02T14:05:59.718774Z"}]}}