CVE-2023-38744 (cj1w-eip21_firmware, cj2h-cpu64-eip_firmware, cj2h-cpu65-eip_firmware, cj2h-cpu66-eip_firmware, cj2h-cpu67-eip_firmware, cj2h-cpu68-eip_firmware, cj2m-cpu31_firmware, cj2m-cpu32_firmware, cj2m-cpu33_firmware, cj2m-cpu34_firmware, cj2m

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 …

communication cpu cve dos ethernet function input issue packet port product series service validation vulnerability