{"id":"CVE-2024-8403","aliases":["EUVD-2024-49627","GHSA-9v3g-gwx4-px97"],"status":"published","title":"Denial-of-Service Vulnerability in Ethernet port on MELSEC iQ-F Ethernet Module and EtherNet/IP Module","description":"Improper Validation of Specified Type of Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET versions 1.100 to 1.200 and FX5-ENET/IP versions 1.100 to 1.104 allows a remote attacker to cause a Denial of Service condition in Ethernet communication of the products by sending specially crafted SLMP packets.","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":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00678,"percentile":0.52569,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1287"],"published":"2024-11-19T05:57:17Z","modified":"2026-06-17T08:22:30Z","products":[{"vendor":"mitsubishi electric corporation","product":"melsec iq-f series fx5-enet"},{"vendor":"mitsubishi electric corporation","product":"melsec iq-f series fx5-enet/ip"},{"vendor":"mitsubishi_electric","product":"melsec_iq-f_series_fx5-enet"},{"vendor":"mitsubishi_electric","product":"melsec_iq-f_series_fx5-enet_ip"}],"references":[{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2024-009_en.pdf","tags":["vendor-advisory"]},{"url":"https://jvn.jp/vu/JVNVU97790713/","tags":["government-resource"]},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-24-324-01","tags":["government-resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-8403"},{"url":"https://jvn.jp/vu/JVNVU97790713"},{"url":"https://github.com/advisories/GHSA-9v3g-gwx4-px97"}],"sources":{"cve":[{"id":"CVE-2024-8403","title":"Denial-of-Service Vulnerability in Ethernet port on MELSEC iQ-F Ethernet Module and EtherNet/IP Module","description":"Improper Validation of Specified Type of Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET versions 1.100 to 1.200 and FX5-ENET/IP versions 1.100 to 1.104 allows a remote attacker to cause a Denial of Service condition in Ethernet communication of the products by sending specially crafted SLMP packets.","status":"published","published":"2024-11-19T05:57:17.693Z","modified":"2026-03-31T03:55:17.457Z","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":"cna"}],"cwes":["CWE-1287"],"updated_at":"2026-11-02T14:34:09.216761Z"}],"euvd":[{"id":"EUVD-2024-49627","description":"Improper Validation of Specified Type of Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET versions 1.100 to 1.200 and FX5-ENET/IP versions 1.100 to 1.104 allows a remote attacker to cause a Denial of Service condition in Ethernet communication of the products by sending specially crafted SLMP packets.","status":"published","published":"2024-11-19T05:57:17Z","modified":"2026-03-31T03:55:17Z","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"}],"updated_at":"2026-11-02T19:25:25.377294Z"}],"ghsa":[{"id":"GHSA-9v3g-gwx4-px97","title":"Improper Validation of Specified Type of Input vulnerability in Mitsubishi Electric Corporation...","description":"Improper Validation of Specified Type of Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET versions 1.100 and later and FX5-ENET/IP versions 1.100 to 1.104 allows a remote attacker to cause a Denial of Service condition in Ethernet communication of the products by sending specially crafted SLMP packets.","status":"published","published":"2024-11-19T06:30:40Z","modified":"2024-11-20T03:30:30Z","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"}],"cwes":["CWE-1287"],"updated_at":"2026-11-02T14:58:53.680904Z"}],"nvd":[{"id":"CVE-2024-8403","description":"Improper Validation of Specified Type of Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET versions 1.100 to 1.200 and FX5-ENET/IP versions 1.100 to 1.104 allows a remote attacker to cause a Denial of Service condition in Ethernet communication of the products by sending specially crafted SLMP packets.","status":"published","published":"2024-11-19T06:15:17.873Z","modified":"2026-06-17T08:22:30.997Z","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":"secondary"}],"cwes":["CWE-1287"],"updated_at":"2026-11-02T14:10:37.632431Z"}]}}