{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-32171",
        "ASSIGNER": "zdi-disclosures@trendmicro.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the ImportCsv method. A crafted XML payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20495."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-476: NULL Pointer Dereference",
                        "cweId": "CWE-476"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Unified Automation",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "UaGateway",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "1.5.12.482"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-776/",
                "refsource": "MISC",
                "name": "https://www.zerodayinitiative.com/advisories/ZDI-23-776/"
            },
            {
                "url": "https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt",
                "refsource": "MISC",
                "name": "https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt"
            }
        ]
    },
    "source": {
        "lang": "en",
        "value": "Axel '0vercl0k' Souchet of https://doar-e.github.io/"
    },
    "impact": {
        "cvss": [
            {
                "version": "3.0",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM"
            }
        ]
    }
}