cvelist/2024/12xxx/CVE-2024-12839.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-12839",
        "ASSIGNER": "cve@cert.org.tw",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The login mechanism via device authentication of CGFIDO from Changing Information Technology has an Authentication Bypass vulnerability. If a user visits a forged website, the agent program deployed on their device will send an authentication signature to the website. An unauthenticated remote attacker who obtains this signature can use it to log into the system with any device."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-294 Authentication Bypass by Capture-replay",
                        "cweId": "CWE-294"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Changing Information Technology",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "CGFIDO",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "0",
                                            "version_value": "1.2.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.twcert.org.tw/tw/cp-132-8334-8b836-1.html",
                "refsource": "MISC",
                "name": "https://www.twcert.org.tw/tw/cp-132-8334-8b836-1.html"
            },
            {
                "url": "https://www.twcert.org.tw/en/cp-139-8335-e4a3f-2.html",
                "refsource": "MISC",
                "name": "https://www.twcert.org.tw/en/cp-139-8335-e4a3f-2.html"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.2.0"
    },
    "source": {
        "advisory": "TVN-202412009",
        "discovery": "EXTERNAL"
    },
    "solution": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "&nbsp; Update to version 1.2.2 or later"
                }
            ],
            "value": "Update to version 1.2.2 or later"
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
            }
        ]
    }
}