CVE record · CVE-2023-38744

OMRON Corporation CJ2M CPU Unit: Denial-of-service (DoS) vulnerability due to improper validation of specified type of…

No CVSS scoreEPSS 0.0087 · 58th percentile

Published by the CVE Program (CNA: jpcert) at 3 Aug 2023, 04:55 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
OMRON Corporation CJ2M CPU Unit
  • affected CJ2M-CPU3[] Unit version of the built-in EtherNet/IP section Ver. 2.18 and earlier
OMRON Corporation CJ2H CPU Unit
  • affected CJ2H-CPU6[]-EIP Unit version of the built-in EtherNet/IP section Ver. 3.04 and earlier
OMRON Corporation CS/CJ Series EtherNet/IP Unit
  • affected CS1W-EIP21 V3.04 and earlier
OMRON Corporation CS/CJ Series EtherNet/IP Unit
  • affected CJ1W-EIP21 V3.04 and earlier
Identifiers
CVE-2023-38744
CNA
jpcert
Weakness (CWE)
CWE-1284
Published
3 Aug 2023
Updated
17 Oct 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

No source has published a CVSS score for this record yet.

  • CISA KEV Not listed.
  • EPSS 0.0087, the 58th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 3 Aug 2023. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.