cvelist/2023/51xxx/CVE-2023-51440.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-51440",
        "ASSIGNER": "productcert@siemens.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability has been identified in SIMATIC CP 343-1 (6GK7343-1EX30-0XE0) (All versions), SIMATIC CP 343-1 Lean (6GK7343-1CX10-0XE0) (All versions), SIPLUS NET CP 343-1 (6AG1343-1EX30-7XE0) (All versions), SIPLUS NET CP 343-1 Lean (6AG1343-1CX10-2XE0) (All versions). Affected products incorrectly validate TCP sequence numbers. This could allow an unauthenticated remote attacker to create a denial of service condition by injecting spoofed TCP RST packets."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-940: Improper Verification of Source of a Communication Channel",
                        "cweId": "CWE-940"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Siemens",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "SIMATIC CP 343-1",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "All versions"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC CP 343-1 Lean",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "All versions"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIPLUS NET CP 343-1",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "All versions"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIPLUS NET CP 343-1 Lean",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "All versions"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://cert-portal.siemens.com/productcert/html/ssa-516818.html",
                "refsource": "MISC",
                "name": "https://cert-portal.siemens.com/productcert/html/ssa-516818.html"
            }
        ]
    },
    "impact": {
        "cvss": [
            {
                "version": "3.1",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:T/RC:C",
                "baseScore": 7.5,
                "baseSeverity": "HIGH"
            }
        ]
    }
}