CVE-2025-66017

{"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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-66017", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-11-25T20:43:57.315814Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-11-25T20:47:11.741Z"}}], "cna": {"title": "CGGMP21 presignatures can be used in the way that significantly reduces security", "source": {"advisory": "GHSA-8frv-q972-9rq5", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 8.2, "attackVector": "NETWORK", "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", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "LFDT-Lockness", "product": "cggmp21", "versions": [{"status": "affected", "version": "cggmp21 <= 0.6.3"}, {"status": "affected", "version": "cggmp24 = 0.7.0-alpha.1"}]}], "references": [{"url": "https://github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-8frv-q972-9rq5", "name": "https://github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-8frv-q972-9rq5", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained", "name": "https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained", "tags": ["x_refsource_MISC"]}], "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-327", "description": "CWE-327: Use of a Broken or Risky Cryptographic Algorithm"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-11-25T20:42:38.004Z"}}}, "cveMetadata": {"cveId": "CVE-2025-66017", "state": "PUBLISHED", "dateUpdated": "2025-11-25T20:48:35.800Z", "dateReserved": "2025-11-21T01:08:02.613Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2025-11-25T19:59:07.956Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "cggmp21", "vendor": "LFDT-Lockness", "versions": [{"status": "affected", "version": "cggmp21 <= 0.6.3"}, {"status": "affected", "version": "cggmp24 = 0.7.0-alpha.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "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."}, {"lang": "es", "value": "CGGMP24 es un protocolo TSS ECDSA de vanguardia que admite firma de 1 ronda (requiere 3 rondas de preprocesamiento), aborto identificable y un protocolo de refresco de clave. En las versiones 0.6.3 y anteriores de cggmp21 y la versi\u00f3n 0.7.0-alpha.1 de cggmp24, las prefirmas pueden utilizarse de forma que reduce significativamente la seguridad. La versi\u00f3n 0.7.0-alpha.2 de cggmp24 contiene cambios en la API que imposibilitan el uso de prefirmas en contextos en los que reduce la seguridad."}], "id": "CVE-2025-66017", "lastModified": "2026-10-18T20:10:00.110", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-66017", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-11-25T20:43:57.315814Z", "version": "2.0.3"}}]}, "published": "2025-11-25T20:16:00.850", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-8frv-q972-9rq5"}, {"source": "security-advisories@github.com", "url": "https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-327"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"created": "2025-11-27T09:45:47.352779+00:00", "updated": "2025-11-27T09:45:47.352803+00:00", "vendors": ["lfdt-lockness", "lfdt-lockness$PRODUCT$cggmp21"]}