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 wh
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…
| Vendor | Product | Versions |
|---|---|---|
| OMRON Corporation | CJ2M CPU Unit | CJ2M-CPU3[] Unit version of the built-in EtherNet/IP section Ver. 2.18 and earlier |
| OMRON Corporation | CJ2H CPU Unit | 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 | CS1W-EIP21 V3.04 and earlier |
| OMRON Corporation | CS/CJ Series EtherNet/IP Unit | CJ1W-EIP21 V3.04 and earlier |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.