CVE-2020-26265

{"id": "CVE-2020-26265", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.6}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.6}]}, "published": "2020-12-11T17:15:12.870", "references": [{"url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.9.20", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-xw37-57qp-9mm4", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-682"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-682"}]}], "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. 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. La correcci\u00f3n se incluy\u00f3 en versi\u00f3n 1.9.20 de la versi\u00f3n de Paragade. No han sido hechos parches de soluci\u00f3n individual; se recomienda a todos los usuarios actualizar a una versi\u00f3n m\u00e1s reciente"}], "lastModified": "2020-12-14T18:16:17.110", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ethereum:go_ethereum:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D4C13B50-B285-47E5-B7D3-00E4C6D5FCFA", "versionEndExcluding": "1.9.20", "versionStartIncluding": "1.9.4"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}