{"id":"CVE-2020-9464","aliases":["EUVD-2020-30283","GHSA-g53r-5c42-ggq8"],"status":"published","title":"A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. After an...","description":"A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. After an attack has occurred, the device's functionality can be restored by rebooting.","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":"2026-11-11","score":0.01383,"percentile":0.72534,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2020-03-12T13:28:53Z","modified":"2026-06-17T03:27:59Z","products":[{"vendor":"beckhoff","product":"bk9000_firmware"}],"references":[{"url":"https://cert.vde.com/en-us/advisories/vde-2020-005","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9464"},{"url":"https://github.com/advisories/GHSA-g53r-5c42-ggq8"}],"sources":{"cve":[{"id":"CVE-2020-9464","description":"A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. After an attack has occurred, the device's functionality can be restored by rebooting.","status":"published","published":"2020-03-12T13:28:53Z","modified":"2024-08-04T10:26:16.11Z","updated_at":"2026-11-02T14:35:49.538427Z"}],"euvd":[{"id":"EUVD-2020-30283","description":"A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. After an attack has occurred, the device's functionality can be restored by rebooting.","status":"published","published":"2020-03-12T13:28:53Z","modified":"2024-08-04T10:26:16Z","updated_at":"2026-11-03T03:07:54.025234Z"}],"ghsa":[{"id":"GHSA-g53r-5c42-ggq8","title":"A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. After an...","description":"A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. After an attack has occurred, the device's functionality can be restored by rebooting.","status":"published","published":"2022-05-24T17:11:21Z","modified":"2023-01-29T05:01:51Z","updated_at":"2026-11-02T14:44:55.873032Z"}],"nvd":[{"id":"CVE-2020-9464","description":"A Denial-of-Service vulnerability exists in BECKHOFF Ethernet TCP/IP Bus Coupler BK9000. After an attack has occurred, the device's functionality can be restored by rebooting.","status":"published","published":"2020-03-12T14:15:21.863Z","modified":"2026-06-17T03:27:59.73Z","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"],"updated_at":"2026-11-02T14:05:55.32877Z"}]}}