{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-0027",
        "ASSIGNER": "PSIRT@rockwellautomation.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Rockwell Automation Modbus TCP Server AOI prior to 2.04.00 is vulnerable to an unauthorized user sending a malformed message that could cause the controller to respond with a copy of the most recent response to the last valid request. If exploited, an unauthorized user could read the connected device\u2019s Modbus TCP Server AOI information."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
                        "cweId": "CWE-200"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Rockwell Automation",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Modbus TCP Server Add On Instructions",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "2.00.00 - 2.00.03"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766",
                "refsource": "MISC",
                "name": "https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.1.0-dev"
    },
    "source": {
        "discovery": "UNKNOWN"
    },
    "solution": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "Customers should update their software to versions 2.04.00 and later to mitigate this issue."
                }
            ],
            "value": "Customers should update their software to versions 2.04.00 and later to mitigate this issue."
        }
    ],
    "credits": [
        {
            "lang": "en",
            "value": "Parul Sindhwad and Dr. Faruk Kazi of CoE CNDS lab, VJTI, Mumbai, India reported this to Rockwell Automation."
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                "version": "3.1"
            }
        ]
    }
}