{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-38744",
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "state": "PUBLISHED",
        "assignerShortName": "jpcert",
        "dateReserved": "2023-07-25T03:05:55.191Z",
        "datePublished": "2023-08-03T04:55:52.423Z",
        "dateUpdated": "2024-10-17T15:17:34.756Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "vendor": "OMRON Corporation",
                    "product": "CJ2M CPU Unit",
                    "versions": [
                        {
                            "version": "CJ2M-CPU3[] Unit version of the built-in EtherNet/IP section Ver. 2.18 and earlier",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "OMRON Corporation",
                    "product": "CJ2H CPU Unit",
                    "versions": [
                        {
                            "version": "CJ2H-CPU6[]-EIP Unit version of the built-in EtherNet/IP section Ver. 3.04 and earlier",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "OMRON Corporation",
                    "product": "CS/CJ Series EtherNet/IP Unit",
                    "versions": [
                        {
                            "version": "CS1W-EIP21 V3.04 and earlier",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "OMRON Corporation",
                    "product": "CS/CJ Series EtherNet/IP Unit",
                    "versions": [
                        {
                            "version": "CJ1W-EIP21 V3.04 and earlier",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "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."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "Denial-of-service (DoS)",
                            "lang": "en",
                            "type": "text"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.ia.omron.com/product/vulnerability/OMSR-2023-006_en.pdf"
                },
                {
                    "url": "https://jvn.jp/en/vu/JVNVU92193064/"
                }
            ],
            "providerMetadata": {
                "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
                "shortName": "jpcert",
                "dateUpdated": "2023-08-03T04:55:52.423Z"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T17:54:38.498Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://www.ia.omron.com/product/vulnerability/OMSR-2023-006_en.pdf",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://jvn.jp/en/vu/JVNVU92193064/",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            },
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-1284",
                                "lang": "en",
                                "description": "CWE-1284 Improper Validation of Specified Quantity in Input"
                            }
                        ]
                    }
                ],
                "affected": [
                    {
                        "vendor": "omron",
                        "product": "cj2m_cpu_unit",
                        "cpes": [
                            "cpe:2.3:h:omron:cj2m_cpu_unit:*:*:*:*:*:*:*:*"
                        ],
                        "defaultStatus": "unknown",
                        "versions": [
                            {
                                "version": "0",
                                "status": "affected",
                                "lessThan": "2.18",
                                "versionType": "custom"
                            }
                        ]
                    },
                    {
                        "vendor": "omron",
                        "product": "cj2h_cpu_unit",
                        "cpes": [
                            "cpe:2.3:h:omron:cj2h_cpu_unit:*:*:*:*:*:*:*:*"
                        ],
                        "defaultStatus": "unknown",
                        "versions": [
                            {
                                "version": "0",
                                "status": "affected",
                                "lessThan": "3.04",
                                "versionType": "custom"
                            }
                        ]
                    },
                    {
                        "vendor": "omron",
                        "product": "cs_cj_series_ethernet_ip_unit",
                        "cpes": [
                            "cpe:2.3:h:omron:cs_cj_series_ethernet_ip_unit:*:*:*:*:*:*:*:*"
                        ],
                        "defaultStatus": "unknown",
                        "versions": [
                            {
                                "version": "0",
                                "status": "affected",
                                "lessThan": "CS1W-EIP21 V3.04",
                                "versionType": "custom"
                            },
                            {
                                "version": "0",
                                "status": "affected",
                                "lessThan": "CJ1W-EIP21 V3.04",
                                "versionType": "custom"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-10-17T15:04:47.223773Z",
                                "id": "CVE-2023-38744",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-10-17T15:17:34.756Z"
                }
            }
        ]
    }
}