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TI-2021-12618 Aliases CVE-2021-33011GHSA-c4rx-vvj6-9gv8

Resource allocation without limits in JTEKT Corporation TOYOPUC products

Priority LOW 20CWE-770Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-770.

Summary

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.

Why it matters now

EPSS 0.00413 35th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—JTEKT Corporation TOYOPUC productsTOYOPUC 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—No fix listedCNA
  • JTEKT Corporation TOYOPUC products Vendor— Affected 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 Fixed in — No fix listed CNA

CPE configurations NVD · 54

CPEVersionsRoleVendor
cpe:2.3:o:jtekt:pc10g-cpu_tcc-6353_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:pc10g-cpu_tcc-6353:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:pc10ge_tcc-6464_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:pc10ge_tcc-6464:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:pc10p_tcc-6372_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:pc10p_tcc-6372:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:pc10p-dp_tcc-6726_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:pc10p-dp_tcc-6726:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:pc10p-dp-io_tcc-6752_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:pc10p-dp-io_tcc-6752:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
Show 44 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:jtekt:pc10b-p_tcc-6373_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:pc10b-p_tcc-6373:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:pc10b_tcc-1021_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:pc10b_tcc-1021:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:pc10b-e\/c_tcu-6521_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:pc10b-e\/c_tcu-6521:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:pc10e_tcc-4637_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:pc10e_tcc-4637:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:pc10pe_tcc-1101_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:pc10pe_tcc-1101:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:pc10pe-1616p_tcc-1102_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:pc10pe-1616p_tcc-1102:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:ef10_tcu-6982_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:ef10_tcu-6982:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:plus_cpu_tcc-6740_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:plus_cpu_tcc-6740:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:plus_ex_tcu-6741_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:plus_ex_tcu-6741:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:plus_ex2_tcu-6858_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:plus_ex2_tcu-6858:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:plus_efr_tcu-6743_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:plus_efr_tcu-6743:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:plus_efr2_tcu-6859_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:plus_efr2_tcu-6859:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:plus_2p-efr_tcu-6929_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:plus_2p-efr_tcu-6929:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:plus_bus-ex_tcu-6900_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:plus_bus-ex_tcu-6900:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:fl\/et-t-v2h_thu-6289_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:fl\/et-t-v2h_thu-6289:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:2port-efr_thu-6404_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:2port-efr_thu-6404:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:nano_10gx_tuc-1157_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:nano_10gx_tuc-1157:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:nano_cpu_tuc-6941_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:nano_cpu_tuc-6941:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:nano_2et_tuu-6949_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:nano_2et_tuu-6949:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:nano_safety_tuc-1085_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:nano_safety_tuc-1085:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:nano_safety_rs00ip_tuu-1086_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:nano_safety_rs00ip_tuu-1086:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION
cpe:2.3:o:jtekt:nano_safety_rs01ip_tuu-1087_firmware:*:*:*:*:*:*:*:*all versionsVulnerableJTEKT ELECTRONICS CORPORATION
cpe:2.3:h:jtekt:nano_safety_rs01ip_tuu-1087:-:*:*:*:*:*:*:*not specified by NVDRunning onJTEKT ELECTRONICS CORPORATION

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-33011
  2. 2026-10-03 Alias added: GHSA-c4rx-vvj6-9gv8

References

  • TI-2021-08945 If Ethernet communication of the JTEKT Corporation TOYOPUC product series’ (TOYOPUC-PC10… CVSS 3.1HIGH 7.5

Sources