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Vulnerable Software

Vulnerability Details CVE-2023-38744

Denial-of-service (DoS) vulnerability due to improper validation of specified type of input issue exists in the built-in EtherNet/IP port of the CJ Series CJ2 CPU unit and the communication function of the CS/CJ Series EtherNet/IP unit. If an affected product receives a packet which is specially crafted by a remote unauthenticated attacker, the unit of the affected product may fall into a denial-of-service (DoS) condition. Affected products/versions are as follows: CJ2M CPU Unit CJ2M-CPU3[] Unit version of the built-in EtherNet/IP section Ver. 2.18 and earlier, CJ2H CPU Unit CJ2H-CPU6[]-EIP Unit version of the built-in EtherNet/IP section Ver. 3.04 and earlier, CS/CJ Series EtherNet/IP Unit CS1W-EIP21 V3.04 and earlier, and CS/CJ Series EtherNet/IP Unit CJ1W-EIP21 V3.04 and earlier.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 46.7%

CVSS Severity

CVSS v3 Score 7.5

References

Products affected by CVE-2023-38744

Omron » Cj1w-Eip21 » Version: N/A

cpe:2.3:h:omron:cj1w-eip21:-
Omron » Cj2h-Cpu64-Eip » Version: N/A

cpe:2.3:h:omron:cj2h-cpu64-eip:-
Omron » Cj2h-Cpu65-Eip » Version: N/A

cpe:2.3:h:omron:cj2h-cpu65-eip:-
Omron » Cj2h-Cpu66-Eip » Version: N/A

cpe:2.3:h:omron:cj2h-cpu66-eip:-
Omron » Cj2h-Cpu67-Eip » Version: N/A

cpe:2.3:h:omron:cj2h-cpu67-eip:-
Omron » Cj2h-Cpu68-Eip » Version: N/A

cpe:2.3:h:omron:cj2h-cpu68-eip:-
Omron » Cj2m-Cpu31 » Version: N/A

cpe:2.3:h:omron:cj2m-cpu31:-
Omron » Cj2m-Cpu32 » Version: N/A

cpe:2.3:h:omron:cj2m-cpu32:-
Omron » Cj2m-Cpu33 » Version: N/A

cpe:2.3:h:omron:cj2m-cpu33:-
Omron » Cj2m-Cpu34 » Version: N/A

cpe:2.3:h:omron:cj2m-cpu34:-
Omron » Cj2m-Cpu35 » Version: N/A

cpe:2.3:h:omron:cj2m-cpu35:-
Omron » Cs1w-Eip21 » Version: N/A

cpe:2.3:h:omron:cs1w-eip21:-
Omron » Cj1w-Eip21 Firmware » Version: N/A

cpe:2.3:o:omron:cj1w-eip21_firmware:-
Omron » Cj1w-Eip21 Firmware » Version: 3.04

cpe:2.3:o:omron:cj1w-eip21_firmware:3.04
Omron » Cj2h-Cpu64-Eip Firmware » Version: N/A

cpe:2.3:o:omron:cj2h-cpu64-eip_firmware:-
Omron » Cj2h-Cpu64-Eip Firmware » Version: 1.5

cpe:2.3:o:omron:cj2h-cpu64-eip_firmware:1.5
Omron » Cj2h-Cpu64-Eip Firmware » Version: 3.04

cpe:2.3:o:omron:cj2h-cpu64-eip_firmware:3.04
Omron » Cj2h-Cpu65-Eip Firmware » Version: N/A

cpe:2.3:o:omron:cj2h-cpu65-eip_firmware:-
Omron » Cj2h-Cpu65-Eip Firmware » Version: 1.5

cpe:2.3:o:omron:cj2h-cpu65-eip_firmware:1.5
Omron » Cj2h-Cpu65-Eip Firmware » Version: 3.04

cpe:2.3:o:omron:cj2h-cpu65-eip_firmware:3.04
Omron » Cj2h-Cpu66-Eip Firmware » Version: N/A

cpe:2.3:o:omron:cj2h-cpu66-eip_firmware:-
Omron » Cj2h-Cpu66-Eip Firmware » Version: 1.5

cpe:2.3:o:omron:cj2h-cpu66-eip_firmware:1.5
Omron » Cj2h-Cpu66-Eip Firmware » Version: 3.04

cpe:2.3:o:omron:cj2h-cpu66-eip_firmware:3.04
Omron » Cj2h-Cpu67-Eip Firmware » Version: N/A

cpe:2.3:o:omron:cj2h-cpu67-eip_firmware:-
Omron » Cj2h-Cpu67-Eip Firmware » Version: 1.5

cpe:2.3:o:omron:cj2h-cpu67-eip_firmware:1.5
Omron » Cj2h-Cpu67-Eip Firmware » Version: 3.04

cpe:2.3:o:omron:cj2h-cpu67-eip_firmware:3.04
Omron » Cj2h-Cpu68-Eip Firmware » Version: N/A

cpe:2.3:o:omron:cj2h-cpu68-eip_firmware:-
Omron » Cj2h-Cpu68-Eip Firmware » Version: 1.5

cpe:2.3:o:omron:cj2h-cpu68-eip_firmware:1.5
Omron » Cj2h-Cpu68-Eip Firmware » Version: 3.04

cpe:2.3:o:omron:cj2h-cpu68-eip_firmware:3.04
Omron » Cj2m-Cpu31 Firmware » Version: N/A

cpe:2.3:o:omron:cj2m-cpu31_firmware:-
Omron » Cj2m-Cpu31 Firmware » Version: 2.1

cpe:2.3:o:omron:cj2m-cpu31_firmware:2.1
Omron » Cj2m-Cpu31 Firmware » Version: 2.18

cpe:2.3:o:omron:cj2m-cpu31_firmware:2.18
Omron » Cj2m-Cpu32 Firmware » Version: N/A

cpe:2.3:o:omron:cj2m-cpu32_firmware:-
Omron » Cj2m-Cpu32 Firmware » Version: 2.1

cpe:2.3:o:omron:cj2m-cpu32_firmware:2.1
Omron » Cj2m-Cpu32 Firmware » Version: 2.18

cpe:2.3:o:omron:cj2m-cpu32_firmware:2.18
Omron » Cj2m-Cpu33 Firmware » Version: N/A

cpe:2.3:o:omron:cj2m-cpu33_firmware:-
Omron » Cj2m-Cpu33 Firmware » Version: 2.1

cpe:2.3:o:omron:cj2m-cpu33_firmware:2.1
Omron » Cj2m-Cpu33 Firmware » Version: 2.18

cpe:2.3:o:omron:cj2m-cpu33_firmware:2.18
Omron » Cj2m-Cpu34 Firmware » Version: N/A

cpe:2.3:o:omron:cj2m-cpu34_firmware:-
Omron » Cj2m-Cpu34 Firmware » Version: 2.1

cpe:2.3:o:omron:cj2m-cpu34_firmware:2.1
Omron » Cj2m-Cpu34 Firmware » Version: 2.18

cpe:2.3:o:omron:cj2m-cpu34_firmware:2.18
Omron » Cj2m-Cpu35 Firmware » Version: N/A

cpe:2.3:o:omron:cj2m-cpu35_firmware:-
Omron » Cj2m-Cpu35 Firmware » Version: 2.1

cpe:2.3:o:omron:cj2m-cpu35_firmware:2.1
Omron » Cj2m-Cpu35 Firmware » Version: 2.18

cpe:2.3:o:omron:cj2m-cpu35_firmware:2.18
Omron » Cs1w-Eip21 Firmware » Version: N/A

cpe:2.3:o:omron:cs1w-eip21_firmware:-
Omron » Cs1w-Eip21 Firmware » Version: 3.04

cpe:2.3:o:omron:cs1w-eip21_firmware:3.04

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Vulnerability Details CVE-2023-38744

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