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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2022-29958

JTEKT TOYOPUC PLCs through 2022-04-29 do not ensure data integrity. They utilize the unauthenticated CMPLink/TCP protocol for engineering purposes, including downloading projects and control logic to the PLC. Control logic is downloaded to the PLC on a block-by-block basis with a given memory address and a blob of machine code. The logic that is downloaded to the PLC is not cryptographically authenticated, allowing an attacker to execute arbitrary machine code on the PLC's CPU module in the context of the runtime. In the case of the PC10G-CPU, and likely for other CPU modules of the TOYOPUC family, a processor without MPU or MMU is used and this no memory protection or privilege-separation capabilities are available, giving an attacker full control over the CPU.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 24.6%

CVSS Severity

CVSS v3 Score 9.8

References

Products affected by CVE-2022-29958

Jtekt » Nano 10gx Tuc-1157 » Version: N/A

cpe:2.3:h:jtekt:nano_10gx_tuc-1157:-
Jtekt » Nano Cpu Tuc-6941 » Version: N/A

cpe:2.3:h:jtekt:nano_cpu_tuc-6941:-
Jtekt » Pc10b-P Tcc-6373 » Version: N/A

cpe:2.3:h:jtekt:pc10b-p_tcc-6373:-
Jtekt » Pc10b Tcc-1021 » Version: N/A

cpe:2.3:h:jtekt:pc10b_tcc-1021:-
Jtekt » Pc10e Tcc-4737 » Version: N/A

cpe:2.3:h:jtekt:pc10e_tcc-4737:-
Jtekt » Pc10el Tcc-4747 » Version: N/A

cpe:2.3:h:jtekt:pc10el_tcc-4747:-
Jtekt » Pc10g-Cpu Tcc-6353 » Version: N/A

cpe:2.3:h:jtekt:pc10g-cpu_tcc-6353:-
Jtekt » Pc10ge Tcc-6464 » Version: N/A

cpe:2.3:h:jtekt:pc10ge_tcc-6464:-
Jtekt » Pc10p-Dp-Io Tcc-6752 » Version: N/A

cpe:2.3:h:jtekt:pc10p-dp-io_tcc-6752:-
Jtekt » Pc10p-Dp Tcc-6726 » Version: N/A

cpe:2.3:h:jtekt:pc10p-dp_tcc-6726:-
Jtekt » Pc10p Tcc-6372 » Version: N/A

cpe:2.3:h:jtekt:pc10p_tcc-6372:-
Jtekt » Pc10pe-1616p Tcc-1102 » Version: N/A

cpe:2.3:h:jtekt:pc10pe-1616p_tcc-1102:-
Jtekt » Pc10pe Tcc-1101 » Version: N/A

cpe:2.3:h:jtekt:pc10pe_tcc-1101:-
Jtekt » Pc3jx-D Tcc-6902 » Version: N/A

cpe:2.3:h:jtekt:pc3jx-d_tcc-6902:-
Jtekt » Pc3jx Tcc-6901 » Version: N/A

cpe:2.3:h:jtekt:pc3jx_tcc-6901:-
Jtekt » Pcdl Tkc-6688 » Version: N/A

cpe:2.3:h:jtekt:pcdl_tkc-6688:-
Jtekt » Plus Cpu Tcc-6740 » Version: N/A

cpe:2.3:h:jtekt:plus_cpu_tcc-6740:-
Jtekt » Nano 10gx Tuc-1157 Firmware » Version: N/A

cpe:2.3:o:jtekt:nano_10gx_tuc-1157_firmware:-
Jtekt » Nano Cpu Tuc-6941 Firmware » Version: N/A

cpe:2.3:o:jtekt:nano_cpu_tuc-6941_firmware:-
Jtekt » Pc10b-P Tcc-6373 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc10b-p_tcc-6373_firmware:-
Jtekt » Pc10b Tcc-1021 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc10b_tcc-1021_firmware:-
Jtekt » Pc10e Tcc-4737 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc10e_tcc-4737_firmware:-
Jtekt » Pc10el Tcc-4747 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc10el_tcc-4747_firmware:-
Jtekt » Pc10g-Cpu Tcc-6353 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc10g-cpu_tcc-6353_firmware:-
Jtekt » Pc10ge Tcc-6464 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc10ge_tcc-6464_firmware:-
Jtekt » Pc10p-Dp-Io Tcc-6752 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc10p-dp-io_tcc-6752_firmware:-
Jtekt » Pc10p-Dp Tcc-6726 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc10p-dp_tcc-6726_firmware:-
Jtekt » Pc10p Tcc-6372 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc10p_tcc-6372_firmware:-
Jtekt » Pc10pe-1616p Tcc-1102 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc10pe-1616p_tcc-1102_firmware:-
Jtekt » Pc10pe Tcc-1101 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc10pe_tcc-1101_firmware:-
Jtekt » Pc3jx-D Tcc-6902 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc3jx-d_tcc-6902_firmware:-
Jtekt » Pc3jx Tcc-6901 Firmware » Version: N/A

cpe:2.3:o:jtekt:pc3jx_tcc-6901_firmware:-
Jtekt » Pcdl Tkc-6688 Firmware » Version: N/A

cpe:2.3:o:jtekt:pcdl_tkc-6688_firmware:-
Jtekt » Plus Cpu Tcc-6740 Firmware » Version: N/A

cpe:2.3:o:jtekt:plus_cpu_tcc-6740_firmware:-

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2022-29958

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