Vulnerability Details CVE-2021-27458
If Ethernet communication of the JTEKT Corporation TOYOPUC product series’ (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-4737: 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) are left in an open state by an attacker, Ethernet communications cannot be established with other devices, depending on the settings of the link parameters.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 49.4%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
Products affected by CVE-2021-27458
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cpe:2.3:h:jtekt:2port-efr_thu-6404:-
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cpe:2.3:h:jtekt:fl/et-t-v2h_thu-6289:-
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cpe:2.3:h:jtekt:pc10b-e/c_tcu-6521:-
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cpe:2.3:h:jtekt:pc10b-p_tcc-6373:-
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cpe:2.3:h:jtekt:pc10b_tcc-1021:-
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cpe:2.3:h:jtekt:pc10e_tcc-4737:-
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cpe:2.3:h:jtekt:pc10g-cpu_tcc-6353:-
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cpe:2.3:h:jtekt:pc10ge_tcc-6464:-
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cpe:2.3:h:jtekt:pc10p-dp-io_tcc-6752:-
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cpe:2.3:h:jtekt:pc10p-dp_tcc-6726:-
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cpe:2.3:h:jtekt:pc10p_tcc-6372:-
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cpe:2.3:h:jtekt:plus_2p-efr_tcu-6929:-
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cpe:2.3:h:jtekt:plus_bus-ex_tcu-6900:-
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cpe:2.3:h:jtekt:plus_cpu_tcc-6740:-
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cpe:2.3:h:jtekt:plus_efr2_tcu-6859:-
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cpe:2.3:h:jtekt:plus_efr_tcu-6743:-
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cpe:2.3:h:jtekt:plus_ex2_tcu-6858:-
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cpe:2.3:h:jtekt:plus_ex_tcu-6741:-
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cpe:2.3:o:jtekt:2port-efr_thu-6404_firmware:-
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cpe:2.3:o:jtekt:fl/et-t-v2h_thu-6289_firmware:-
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cpe:2.3:o:jtekt:pc10b-e/c_tcu-6521_firmware:-
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cpe:2.3:o:jtekt:pc10b-p_tcc-6373_firmware:-
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cpe:2.3:o:jtekt:pc10b_tcc-1021_firmware:-
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cpe:2.3:o:jtekt:pc10e_tcc-4737_firmware:-
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cpe:2.3:o:jtekt:pc10g-cpu_tcc-6353_firmware:-
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cpe:2.3:o:jtekt:pc10ge_tcc-6464_firmware:-
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cpe:2.3:o:jtekt:pc10p-dp-io_tcc-6752_firmware:-
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cpe:2.3:o:jtekt:pc10p-dp_tcc-6726_firmware:-
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cpe:2.3:o:jtekt:pc10p_tcc-6372_firmware:-
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cpe:2.3:o:jtekt:plus_2p-efr_tcu-6929_firmware:-
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cpe:2.3:o:jtekt:plus_bus-ex_tcu-6900_firmware:-
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cpe:2.3:o:jtekt:plus_cpu_tcc-6740_firmware:-
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cpe:2.3:o:jtekt:plus_efr2_tcu-6859_firmware:-
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cpe:2.3:o:jtekt:plus_efr_tcu-6743_firmware:-
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cpe:2.3:o:jtekt:plus_ex2_tcu-6858_firmware:-
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cpe:2.3:o:jtekt:plus_ex_tcu-6741_firmware:-