CVE-2024-12839

{"id": "CVE-2024-12839", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "twcert@cert.org.tw", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2024-12-31T02:15:06.110", "references": [{"url": "https://www.twcert.org.tw/en/cp-139-8335-e4a3f-2.html", "source": "twcert@cert.org.tw"}, {"url": "https://www.twcert.org.tw/tw/cp-132-8334-8b836-1.html", "source": "twcert@cert.org.tw"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "twcert@cert.org.tw", "description": [{"lang": "en", "value": "CWE-294"}]}], "descriptions": [{"lang": "en", "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."}, {"lang": "es", "value": "El mecanismo de inicio de sesi\u00f3n mediante autenticaci\u00f3n de dispositivo de CGFIDO de Changing Information Technology tiene una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n. Si un usuario visita un sitio web falsificado, el programa agente implementado en su dispositivo enviar\u00e1 una firma de autenticaci\u00f3n al sitio web. Un atacante remoto no autenticado que obtenga esta firma puede usarla para iniciar sesi\u00f3n en el sistema con cualquier dispositivo."}], "lastModified": "2026-04-15T00:35:42.020", "sourceIdentifier": "twcert@cert.org.tw"}