{"cve":"CVE-2020-12117","nvd":{"published":"2020-05-01T14:15:11.467","modified":"2026-06-17T02:51:26.130","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-306"],"references":["https://blog.scadafence.com/technical-blog-cve-2020-12117-industrial-iot-insecure-default-configurations","https://www.moxa.com/en/support/support/security-advisory/nport-5100a-series-serial-device-servers-vulnerability","https://blog.scadafence.com/technical-blog-cve-2020-12117-industrial-iot-insecure-default-configurations","https://www.moxa.com/en/support/support/security-advisory/nport-5100a-series-serial-device-servers-vulnerability"],"products":["moxa:nport_5100a_firmware"],"source":"nvd","synced_at":"2026-10-19T21:04:18.695612450+00:00"},"epss":{"cve":"CVE-2020-12117","score":0.01398,"percentile":0.72442,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}