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vuln-cve/data/2025/66xxx/CVE-2025-66017.json
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{
"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"
}
}
]
}
}