{"id":"CVE-2020-27184","aliases":["EUVD-2020-19707","GHSA-7cmj-xmp5-mmr2"],"status":"published","title":"The NPort IA5000A Series devices use Telnet as one of the network device management services....","description":"The NPort IA5000A Series devices use Telnet as one of the network device management services. Telnet does not support the encryption of client-server communications, making it vulnerable to Man-in-the-Middle attacks.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00318,"percentile":0.25063,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-319","CWE-326"],"published":"2021-05-14T12:06:15Z","modified":"2026-06-17T03:08:55Z","products":[{"vendor":"moxa","product":"nport_ia5150a_firmware"},{"vendor":"moxa","product":"nport_ia5250a_firmware"},{"vendor":"moxa","product":"nport_ia5450a_firmware"}],"references":[{"url":"https://www.moxa.com/en/support/product-support/security-advisory/nport-ia5000a-serial-device-servers-vulnerabilities","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-020%2C","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27184"},{"url":"https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-020,"},{"url":"https://github.com/advisories/GHSA-7cmj-xmp5-mmr2"}],"sources":{"cve":[{"id":"CVE-2020-27184","description":"The NPort IA5000A Series devices use Telnet as one of the network device management services. Telnet does not support the encryption of client-server communications, making it vulnerable to Man-in-the-Middle attacks.","status":"published","published":"2021-05-14T12:06:15Z","modified":"2024-08-04T16:11:35.819Z","updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-19707","description":"The NPort IA5000A Series devices use Telnet as one of the network device management services. Telnet does not support the encryption of client-server communications, making it vulnerable to Man-in-the-Middle attacks.","status":"published","published":"2021-05-14T12:06:15Z","modified":"2024-08-04T16:11:35Z","updated_at":"2026-11-03T03:07:13.515696Z"}],"ghsa":[{"id":"GHSA-7cmj-xmp5-mmr2","title":"The NPort IA5000A Series devices use Telnet as one of the network device management services....","description":"The NPort IA5000A Series devices use Telnet as one of the network device management services. Telnet does not support the encryption of client-server communications, making it vulnerable to Man-in-the-Middle attacks.","status":"published","published":"2022-05-24T19:02:28Z","modified":"2023-01-27T05:02:47Z","cvss":[{"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"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:42:06.500861Z"}],"nvd":[{"id":"CVE-2020-27184","description":"The NPort IA5000A Series devices use Telnet as one of the network device management services. Telnet does not support the encryption of client-server communications, making it vulnerable to Man-in-the-Middle attacks.","status":"published","published":"2021-05-14T13:15:07.297Z","modified":"2026-06-17T03:08:55.073Z","cvss":[{"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"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:06:39.25999Z"}]}}