CVE-2021-45699

{"id": "CVE-2021-45699", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "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": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-12-27T00:15:09.623", "references": [{"url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0108.md", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://rustsec.org/advisories/RUSTSEC-2021-0108.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the ckb crate before 0.40.0 for Rust. Remote attackers may be able to conduct a 51% attack against the Nervos CKB blockchain by triggering an inability to allocate memory for the misbehavior HashMap."}, {"lang": "es", "value": "Se ha detectado un problema en la crate ckb versiones anteriores a 0.40.0 para Rust. Unos atacantes remotos pueden ser capaces de llevar a cabo un ataque del 51% contra la blockchain Nervos CKB al desencadenar una incapacidad para asignar memoria para el HashMap de comportamiento inapropiado"}], "lastModified": "2022-01-06T19:32:24.410", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nervos:ckb:*:*:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "E3DB6489-8091-42E3-B2A6-3A36EDE9DAF2", "versionEndExcluding": "0.40.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}