What is CVE-2023-38744?

CVE-2023-38744 is a high-severity vulnerability in Omron Cj1w-eip21, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.5/10. Published 2023-08-03.

How severe is CVE-2023-38744?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Omron Cj1w-eip21

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…

EPSS: 0.007 (46.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Omron Cj1w-eip21
Omron Cj1w-eip21_firmware
Omron Cj2h-cpu64-eip
Omron Cj2h-cpu64-eip_firmware
Omron Cj2h-cpu65-eip
Omron Cj2h-cpu65-eip_firmware
Omron Cj2h-cpu66-eip
Omron Cj2h-cpu66-eip_firmware
Omron Cj2h-cpu67-eip
Omron Cj2h-cpu67-eip_firmware

Weakness classification (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

vultures@jpcert.or.jp (Vendor Advisory)
vultures@jpcert.or.jp (Third Party Advisory)

Frequently asked questions

What is CVE-2023-38744?: CVE-2023-38744 is a high-severity vulnerability in Omron Cj1w-eip21, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.5/10. Published 2023-08-03.
How severe is CVE-2023-38744?: High severity. CVSS v3 base score is 7.5 out of 10.