CVE-2023-38744
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
17- Range: <=Ver. 2.18
- Range: <=V3.04
- OMRON Corporation/CJ2M CPU Unitv5Range: CJ2M-CPU3[] Unit version of the built-in EtherNet/IP section Ver. 2.18 and earlier
- OMRON Corporation/CJ2H CPU Unitv5Range: CJ2H-CPU6[]-EIP Unit version of the built-in EtherNet/IP section Ver. 3.04 and earlier
- OMRON Corporation/CS/CJ Series EtherNet/IP Unitv5Range: CJ1W-EIP21 V3.04 and earlier
Patches
Vulnerability mechanics
References
2- jvn.jp/en/vu/JVNVU92193064/nvdThird Party Advisory
- www.ia.omron.com/product/vulnerability/OMSR-2023-006_en.pdfnvdVendor Advisory
News mentions
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