{"id":"CVE-2019-10977","aliases":["EUVD-2019-2691","GHSA-3fgw-638m-mm8f"],"status":"published","title":"In Mitsubishi Electric MELSEC-Q series Ethernet module QJ71E71-100 serial number 20121 and prior,...","description":"In Mitsubishi Electric MELSEC-Q series Ethernet module QJ71E71-100 serial number 20121 and prior, an attacker could send crafted TCP packets against the FTP service, forcing the target devices to enter an error mode and cause a denial-of-service condition.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0354,"percentile":0.89369,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400","CWE-755"],"published":"2019-05-23T13:28:22Z","modified":"2026-06-17T02:12:02Z","products":[{"vendor":"mitsubishi electric","product":"melsec-q series ethernet module"},{"vendor":"mitsubishielectric","product":"qj71e71-100_firmware"}],"references":[{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-19-141-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/108419","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10977"},{"url":"https://github.com/advisories/GHSA-3fgw-638m-mm8f"}],"sources":{"cve":[{"id":"CVE-2019-10977","description":"In Mitsubishi Electric MELSEC-Q series Ethernet module QJ71E71-100 serial number 20121 and prior, an attacker could send crafted TCP packets against the FTP service, forcing the target devices to enter an error mode and cause a denial-of-service condition.","status":"published","published":"2019-05-23T13:28:22Z","modified":"2024-08-04T22:40:15.601Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:20:19.399352Z"}],"euvd":[{"id":"EUVD-2019-2691","description":"In Mitsubishi Electric MELSEC-Q series Ethernet module QJ71E71-100 serial number 20121 and prior, an attacker could send crafted TCP packets against the FTP service, forcing the target devices to enter an error mode and cause a denial-of-service condition.","status":"published","published":"2019-05-23T13:28:22Z","modified":"2024-08-04T22:40:15Z","updated_at":"2026-11-03T02:40:50.22256Z"}],"ghsa":[{"id":"GHSA-3fgw-638m-mm8f","title":"In Mitsubishi Electric MELSEC-Q series Ethernet module QJ71E71-100 serial number 20121 and prior,...","description":"In Mitsubishi Electric MELSEC-Q series Ethernet module QJ71E71-100 serial number 20121 and prior, an attacker could send crafted TCP packets against the FTP service, forcing the target devices to enter an error mode and cause a denial-of-service condition.","status":"published","published":"2022-05-24T16:46:24Z","modified":"2023-01-28T05:05:24Z","updated_at":"2026-11-02T14:44:20.513282Z"}],"nvd":[{"id":"CVE-2019-10977","description":"In Mitsubishi Electric MELSEC-Q series Ethernet module QJ71E71-100 serial number 20121 and prior, an attacker could send crafted TCP packets against the FTP service, forcing the target devices to enter an error mode and cause a denial-of-service condition.","status":"published","published":"2019-05-23T14:29:07.61Z","modified":"2026-06-17T02:12:02.563Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-400","CWE-755"],"updated_at":"2026-11-02T14:05:14.729983Z"}]}}