{"id":"CVE-2021-33011","aliases":["EUVD-2021-19732","GHSA-c4rx-vvj6-9gv8"],"status":"published","title":"All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series,...","description":"All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00413,"percentile":0.36101,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2021-09-10T11:28:07Z","modified":"2026-06-17T03:54:00Z","products":[{"vendor":"jtekt","product":"2port-efr_thu-6404_firmware"},{"vendor":"jtekt","product":"ef10_tcu-6982_firmware"},{"vendor":"jtekt","product":"fl\\/et-t-v2h_thu-6289_firmware"},{"vendor":"jtekt","product":"nano_10gx_tuc-1157_firmware"},{"vendor":"jtekt","product":"nano_2et_tuu-6949_firmware"},{"vendor":"jtekt","product":"nano_cpu_tuc-6941_firmware"},{"vendor":"jtekt","product":"nano_safety_rs00ip_tuu-1086_firmware"},{"vendor":"jtekt","product":"nano_safety_rs01ip_tuu-1087_firmware"},{"vendor":"jtekt","product":"nano_safety_tuc-1085_firmware"},{"vendor":"jtekt","product":"pc10b-e\\/c_tcu-6521_firmware"},{"vendor":"jtekt","product":"pc10b-p_tcc-6373_firmware"},{"vendor":"jtekt","product":"pc10b_tcc-1021_firmware"},{"vendor":"jtekt","product":"pc10e_tcc-4637_firmware"},{"vendor":"jtekt","product":"pc10g-cpu_tcc-6353_firmware"},{"vendor":"jtekt","product":"pc10ge_tcc-6464_firmware"},{"vendor":"jtekt","product":"pc10p-dp-io_tcc-6752_firmware"},{"vendor":"jtekt","product":"pc10p-dp_tcc-6726_firmware"},{"vendor":"jtekt","product":"pc10p_tcc-6372_firmware"},{"vendor":"jtekt","product":"pc10pe-1616p_tcc-1102_firmware"},{"vendor":"jtekt","product":"pc10pe_tcc-1101_firmware"},{"vendor":"jtekt","product":"plus_2p-efr_tcu-6929_firmware"},{"vendor":"jtekt","product":"plus_bus-ex_tcu-6900_firmware"},{"vendor":"jtekt","product":"plus_cpu_tcc-6740_firmware"},{"vendor":"jtekt","product":"plus_efr2_tcu-6859_firmware"},{"vendor":"jtekt","product":"plus_efr_tcu-6743_firmware"},{"vendor":"jtekt","product":"plus_ex2_tcu-6858_firmware"},{"vendor":"jtekt","product":"plus_ex_tcu-6741_firmware"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-245-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33011"},{"url":"https://github.com/advisories/GHSA-c4rx-vvj6-9gv8"}],"sources":{"cve":[{"id":"CVE-2021-33011","description":"All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices.","status":"published","published":"2021-09-10T11:28:07Z","modified":"2024-08-03T23:42:19.259Z","cwes":["CWE-770"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-19732","description":"All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices.","status":"published","published":"2021-09-10T11:28:07Z","modified":"2024-08-03T23:42:19Z","updated_at":"2026-11-03T03:24:35.30045Z"}],"ghsa":[{"id":"GHSA-c4rx-vvj6-9gv8","title":"All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series,...","description":"All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices.","status":"published","published":"2022-05-24T19:14:12Z","modified":"2023-01-30T05:02:04Z","cwes":["CWE-770"],"updated_at":"2026-11-02T14:46:33.145275Z"}],"nvd":[{"id":"CVE-2021-33011","description":"All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices.","status":"published","published":"2021-09-10T12:15:07.32Z","modified":"2026-06-17T03:54:00.36Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":3.3,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:06:58.502206Z"}]}}