{
    "CVE_data_meta": {
        "AKA": "TWCERT/CC",
        "ASSIGNER": "cve@cert.org.tw",
        "DATE_PUBLIC": "2021-09-15T19:04:00.000Z",
        "ID": "CVE-2021-37909",
        "STATE": "PUBLIC",
        "TITLE": "CHANGING Inc. TSSServiSignAdapter Windows Versions - Improper Input Validation"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "TSSServiSignAdapter",
                                "version": {
                                    "version_data": [
                                        {
                                            "platform": "Windows",
                                            "version_affected": "<=",
                                            "version_value": "1.0.20.0316"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "CHANGING Inc."
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "WriteRegistry function in TSSServiSign component does not filter and verify users\u2019 input, remote attackers can rewrite to the registry without permissions thus perform hijack attacks to execute arbitrary code."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-20 Improper Input Validation"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://www.twcert.org.tw/tw/cp-132-5093-76f04-1.html",
                "name": "https://www.twcert.org.tw/tw/cp-132-5093-76f04-1.html"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Update to version 1.0.21.0520"
        }
    ],
    "source": {
        "advisory": "TVN-202105006",
        "discovery": "EXTERNAL"
    }
}