{"id":"CVE-2021-33011","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-33011","generatedAt":"2026-10-27T22:28:40.885Z","title":"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…","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.","published":"2021-09-10T12:15:07.000Z","lastModified":"2026-06-17T03:54:00.000Z","status":"Modified","sourceIdentifier":"ics-cert@hq.dhs.gov","cvss":{"version":"3.1","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"cwe":["CWE-770"],"affected":["jtekt/pc10g-cpu tcc-6353 firmware","jtekt/pc10ge tcc-6464 firmware","jtekt/pc10p tcc-6372 firmware","jtekt/pc10p-dp tcc-6726 firmware","jtekt/pc10p-dp-io tcc-6752 firmware","jtekt/pc10b-p tcc-6373 firmware","jtekt/pc10b tcc-1021 firmware","jtekt/pc10b-e\\/c tcu-6521 firmware","jtekt/pc10e tcc-4637 firmware","jtekt/pc10pe tcc-1101 firmware","jtekt/pc10pe-1616p tcc-1102 firmware","jtekt/ef10 tcu-6982 firmware","jtekt/plus cpu tcc-6740 firmware","jtekt/plus ex tcu-6741 firmware","jtekt/plus ex2 tcu-6858 firmware","jtekt/plus efr tcu-6743 firmware","jtekt/plus efr2 tcu-6859 firmware","jtekt/plus 2p-efr tcu-6929 firmware","jtekt/plus bus-ex tcu-6900 firmware","jtekt/fl\\/et-t-v2h thu-6289 firmware","jtekt/2port-efr thu-6404 firmware","jtekt/nano 10gx tuc-1157 firmware","jtekt/nano cpu tuc-6941 firmware","jtekt/nano 2et tuu-6949 firmware","jtekt/nano safety tuc-1085 firmware","jtekt/nano safety rs00ip tuu-1086 firmware","jtekt/nano safety rs01ip tuu-1087 firmware"],"epss":{"score":0.00413,"percentile":0.35373,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.41%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-245-02","tags":["Third Party Advisory","US Government Resource"],"source":"ics-cert@hq.dhs.gov"},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-245-02","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-33011","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}