{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-66017",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2025-11-21T01:08:02.613Z",
        "datePublished": "2025-11-25T19:59:07.956Z",
        "dateUpdated": "2025-11-25T20:48:35.800Z"
    },
    "containers": {
        "cna": {
            "title": "CGGMP21 presignatures can be used in the way that significantly reduces security",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-327",
                            "lang": "en",
                            "description": "CWE-327: Use of a Broken or Risky Cryptographic Algorithm",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 8.2,
                        "baseSeverity": "HIGH",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-8frv-q972-9rq5",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-8frv-q972-9rq5"
                },
                {
                    "name": "https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained"
                }
            ],
            "affected": [
                {
                    "vendor": "LFDT-Lockness",
                    "product": "cggmp21",
                    "versions": [
                        {
                            "version": "cggmp21 <= 0.6.3",
                            "status": "affected"
                        },
                        {
                            "version": "cggmp24 = 0.7.0-alpha.1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2025-11-25T20:42:38.004Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "CGGMP24 is a state-of-art ECDSA TSS protocol that supports 1-round signing (requires 3 preprocessing rounds), identifiable abort, and a key refresh protocol. In versions 0.6.3 and prior of cggmp21 and version 0.7.0-alpha.1 of cggmp24, presignatures can be used in the way that significantly reduces security. cggmp24 version 0.7.0-alpha.2 release contains API changes that make it impossible to use presignatures in contexts in which it reduces security."
                }
            ],
            "source": {
                "advisory": "GHSA-8frv-q972-9rq5",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-11-25T20:43:57.315814Z",
                                "id": "CVE-2025-66017",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-11-25T20:48:35.800Z"
                }
            }
        ]
    }
}