{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-12839",
        "assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e",
        "state": "PUBLISHED",
        "assignerShortName": "twcert",
        "dateReserved": "2024-12-20T03:29:54.215Z",
        "datePublished": "2024-12-31T01:32:11.422Z",
        "dateUpdated": "2024-12-31T15:56:18.203Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "CGFIDO",
                    "vendor": "Changing Information Technology",
                    "versions": [
                        {
                            "lessThan": "1.2.1",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "datePublic": "2024-12-31T01:26:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "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."
                        }
                    ],
                    "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."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-98",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-98 Phishing"
                        }
                    ]
                },
                {
                    "capecId": "CAPEC-22",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-22 Exploiting Trust in Client"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "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"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-294",
                            "description": "CWE-294 Authentication Bypass by Capture-replay",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e",
                "shortName": "twcert",
                "dateUpdated": "2024-12-31T01:32:11.422Z"
            },
            "references": [
                {
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.twcert.org.tw/tw/cp-132-8334-8b836-1.html"
                },
                {
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.twcert.org.tw/en/cp-139-8335-e4a3f-2.html"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "  Update to version 1.2.2 or later"
                        }
                    ],
                    "value": "Update to version 1.2.2 or later"
                }
            ],
            "source": {
                "advisory": "TVN-202412009",
                "discovery": "EXTERNAL"
            },
            "title": "Changing Information Technology CGFIDO - Authentication Bypass",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-12-31T15:56:08.730217Z",
                                "id": "CVE-2024-12839",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-12-31T15:56:18.203Z"
                }
            }
        ]
    }
}