{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-22T18:45:46.580","vulnerabilities":[{"cve":{"id":"CVE-2023-38744","sourceIdentifier":"vultures@jpcert.or.jp","published":"2023-08-03T05:15:10.417","lastModified":"2024-11-21T08:14:09.647","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"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."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-1284"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:omron:cj2m-cpu35_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"2.18","matchCriteriaId":"86207B5A-24B2-49D4-B1CF-16CBD77795E1"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:omron:cj2m-cpu35:-:*:*:*:*:*:*:*","matchCriteriaId":"603BAD60-89F1-4EE9-8413-F301DFC91AFF"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:omron:cj2m-cpu34_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"2.18","matchCriteriaId":"1663D7F0-B7FB-48E9-A703-AB042D71A59D"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:omron:cj2m-cpu34:-:*:*:*:*:*:*:*","matchCriteriaId":"37C6982F-75F4-497B-8BF9-DC683304B43D"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:omron:cj2m-cpu33_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"2.18","matchCriteriaId":"7A7C2980-D232-4753-956F-FB0ED0978B70"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:omron:cj2m-cpu33:-:*:*:*:*:*:*:*","matchCriteriaId":"2ED8CAFA-62BB-4AC9-BAEF-C1FD50F57B1F"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:omron:cj2m-cpu32_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"2.18","matchCriteriaId":"5E4DE86F-19D2-465B-90D6-1A139EE65B52"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:omron:cj2m-cpu32:-:*:*:*:*:*:*:*","matchCriteriaId":"DD09E48C-5395-418F-8542-B0C00721CF97"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:omron:cj2m-cpu31_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"2.18","matchCriteriaId":"BDBC7469-32E3-4997-83C4-65B121571187"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:omron:cj2m-cpu31:-:*:*:*:*:*:*:*","matchCriteriaId":"A5B09D3A-E765-46FE-8EAF-9A2FCFA42947"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:omron:cj2h-cpu68-eip_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"3.04","matchCriteriaId":"8C40D156-34C1-437B-9252-AED69DAE06C2"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:omron:cj2h-cpu68-eip:-:*:*:*:*:*:*:*","matchCriteriaId":"6B08AA4C-6F83-4387-A5FD-F49C54D9545F"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:omron:cj2h-cpu67-eip_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"3.04","matchCriteriaId":"AE958646-DC95-425D-9CDE-76AFDFDD2B19"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:omron:cj2h-cpu67-eip:-:*:*:*:*:*:*:*","matchCriteriaId":"4530B900-322D-4B9E-AA34-D63CA546190A"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:omron:cj2h-cpu66-eip_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"3.04","matchCriteriaId":"F1FA052E-724C-4E32-A6C7-557F20023A0C"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:omron:cj2h-cpu66-eip:-:*:*:*:*:*:*:*","matchCriteriaId":"51114B75-A8DD-49F4-8AC3-BA46C1D4F89C"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:omron:cj2h-cpu65-eip_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"3.04","matchCriteriaId":"B9731DA2-1FA8-4FFD-B67E-594C638C4B1C"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:omron:cj2h-cpu65-eip:-:*:*:*:*:*:*:*","matchCriteriaId":"871B2A06-6AAC-43DF-AF1A-848E9C804016"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:omron:cj2h-cpu64-eip_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"3.04","matchCriteriaId":"009162A7-2E76-411E-BBE8-86FFB6B4502B"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:omron:cj2h-cpu64-eip:-:*:*:*:*:*:*:*","matchCriteriaId":"6D2D2A32-4326-4357-A400-EA26B3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