CVE-2021-33011

MediumCVSS 4.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-770

Affected software

Vendor	Product	Versions
n/a	JTEKT Corporation TOYOPUC products	TOYOPUC products TOYOPUC-PC10 Series: PC10G-CPU TCC-6353: All versions, PC10GE TCC-6464: All versions, PC10P TCC-6372: All versions, PC10P-DP TCC-6726: All versions, PC10P-DP-IO TCC-6752: All versions, PC10B-P TCC-6373: All versions, PC10B TCC-1021: All versions, PC10B-E/C TCU-6521: All versions, PC10E TCC-4637: All versions, PC10PE TCC-1101: All versions, PC10PE-1616P TCC-1102: All versions, EF10 TCU-6982: All versions TOYOPUC-Plus Series: Plus CPU TCC-6740: All versions, Plus EX TCU-6741: All versions, Plus EX2 TCU-6858: All versions, Plus EFR TCU-6743: All versions, Plus EFR2 TCU-6859: All versions, Plus 2P-EFR TCU-6929: All versions,Plus BUS-EX TCU-6900: All versions TOYOPUC-PC3J/PC2J Series: FL/ET-T-V2H THU-6289: All versions, 2PORT-EFR THU-6404: All versions TOYOPUC-Nano Series: Nano 10GX TUC-1157: All versions, Nano CPU TUC-6941: All versions, Nano 2ET TUU-6949: All versions, Nano Safety TUC-1085: All versions, Nano Safety RS00IP TUU-1086: All versions, Nano Safety RS01IP TUU-1087: All versions

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-245-02Third Party Advisory, US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-245-02Third Party Advisory, US Government Resource

Timeline

Published: Sep 10, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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