{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-10T13:40:04.590","vulnerabilities":[{"cve":{"id":"CVE-2020-26265","sourceIdentifier":"security-advisories@github.com","published":"2020-12-11T17:15:12.870","lastModified":"2024-11-21T05:19:42.103","vulnStatus":"Modified","cveTags":[],"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 implementación oficial de Golang del protocolo Ethereum. En Geth desde versión 1.9.4 y versiones anteriores a 1.9.20, una vulnerabilidad de consenso podría causar una división de cadena, donde unas versiones vulnerables se niegan a aceptar la cadena canónica. La corrección se incluyó en versión 1.9.20 de la versión de Paragade. No han sido hechos parches de solución individual; se recomienda a todos los usuarios actualizar a una versión más reciente"}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":1.6,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":1.6,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:N/I:P/A:N","baseScore":3.5,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"LOW","exploitabilityScore":6.8,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-682"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-682"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ethereum:go_ethereum:*:*:*:*:*:*:*:*","versionStartIncluding":"1.9.4","versionEndExcluding":"1.9.20","matchCriteriaId":"D4C13B50-B285-47E5-B7D3-00E4C6D5FCFA"}]}]}],"references":[{"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":"security-advisories@github.com","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","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}