CVE-2021-42764

{"id": "CVE-2021-42764", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2021-10-20T20:15:07.427", "references": [{"url": "https://arxiv.org/abs/2110.10086", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to cause a denial of service (delayed consensus decisions), and also increase the profits of individual validators, via short-range reorganizations of the underlying consensus chain."}, {"lang": "es", "value": "El protocolo de consenso Proof-of-Stake (PoS) de Ethereum versiones hasta 19-10-2021, permite a un adversario causar una denegaci\u00f3n de servicio (retraso en las decisiones de consenso), y tambi\u00e9n aumentar los beneficios de los comprobadores individuales, por medio de reorganizaciones de corto alcance de la cadena de consenso subyacente"}], "lastModified": "2021-10-26T19:48:36.577", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:proof-of-stake_ethereum_project:proof-of-stake_ethereum:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6E87032E-0270-4A77-805C-FFF130756A1E", "versionEndIncluding": "2021-10-19"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}