{"containers": {"cna": {"affected": [{"product": "go-ethereum", "vendor": "ethereum", "versions": [{"status": "affected", "version": ">= 1.9.4, < 1.9.20"}]}], "descriptions": [{"lang": "en", "value": "Go Ethereum, or \"Geth\", is the official Golang implementation of the Ethereum protocol. In Geth from version 1.9.4 and before version 1.9.20 a consensus-vulnerability could cause a chain split, where vulnerable versions refuse to accept the canonical chain. The fix was included in the Paragade release version 1.9.20. No individual workaround patches have been made -- all users are recommended to upgrade to a newer version."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-682", "description": "CWE-682 Incorrect Calculation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-12-11T16:45:15.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-xw37-57qp-9mm4"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.9.20"}], "source": {"advisory": "GHSA-xw37-57qp-9mm4", "discovery": "UNKNOWN"}, "title": "Consensus flaw during block processing", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-26265", "STATE": "PUBLIC", "TITLE": "Consensus flaw during block processing"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "go-ethereum", "version": {"version_data": [{"version_value": ">= 1.9.4, < 1.9.20"}]}}]}, "vendor_name": "ethereum"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Go Ethereum, or \"Geth\", is the official Golang implementation of the Ethereum protocol. In Geth from version 1.9.4 and before version 1.9.20 a consensus-vulnerability could cause a chain split, where vulnerable versions refuse to accept the canonical chain. The fix was included in the Paragade release version 1.9.20. No individual workaround patches have been made -- all users are recommended to upgrade to a newer version."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-682 Incorrect Calculation"}]}]}, "references": {"reference_data": [{"name": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-xw37-57qp-9mm4", "refsource": "CONFIRM", "url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-xw37-57qp-9mm4"}, {"name": "https://github.com/ethereum/go-ethereum/releases/tag/v1.9.20", "refsource": "MISC", "url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.9.20"}]}, "source": {"advisory": "GHSA-xw37-57qp-9mm4", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T15:56:03.493Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-xw37-57qp-9mm4"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.9.20"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2020-26265", "datePublished": "2020-12-11T16:45:15.000Z", "dateReserved": "2020-10-01T00:00:00.000Z", "dateUpdated": "2024-08-04T15:56:03.493Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ethereum:go_ethereum:*:*:*:*:*:*:*:*", "matchCriteriaId": "D4C13B50-B285-47E5-B7D3-00E4C6D5FCFA", "versionEndExcluding": "1.9.20", "versionStartIncluding": "1.9.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Go Ethereum, or \"Geth\", is the official Golang implementation of the Ethereum protocol. In Geth from version 1.9.4 and before version 1.9.20 a consensus-vulnerability could cause a chain split, where vulnerable versions refuse to accept the canonical chain. The fix was included in the Paragade release version 1.9.20. No individual workaround patches have been made -- all users are recommended to upgrade to a newer version."}, {"lang": "es", "value": "Go Ethereum, o \"Geth\", es la implementaci\u00f3n oficial de Golang del protocolo Ethereum.&#xa0;En Geth desde versi\u00f3n 1.9.4 y versiones anteriores a 1.9.20, una vulnerabilidad de consenso podr\u00eda causar una divisi\u00f3n de cadena, donde unas versiones vulnerables se niegan a aceptar la cadena can\u00f3nica.&#xa0;La correcci\u00f3n se incluy\u00f3 en versi\u00f3n 1.9.20 de la versi\u00f3n de Paragade.&#xa0;No han sido hechos parches de soluci\u00f3n individual; se recomienda a todos los usuarios actualizar a una versi\u00f3n m\u00e1s reciente"}], "id": "CVE-2020-26265", "lastModified": "2024-11-21T05:19:42.103", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-11T17:15:12.870", "references": [{"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.9.20"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-xw37-57qp-9mm4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.9.20"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-xw37-57qp-9mm4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-682"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-682"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}