CVE-2021-40083

{"id": "CVE-2021-40083", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "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": 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": "2021-08-25T01:15:11.087", "references": [{"url": "https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1169", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1169", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-617"}]}], "descriptions": [{"lang": "en", "value": "Knot Resolver before 5.3.2 is prone to an assertion failure, triggerable by a remote attacker in an edge case (NSEC3 with too many iterations used for a positive wildcard proof)."}, {"lang": "es", "value": "Knot Resolver versiones anteriores a 5.3.2, es propenso a un fallo de aserci\u00f3n, desencadenado por un atacante remoto en un caso l\u00edmite (NSEC3 con demasiadas iteraciones usadas para una prueba de comod\u00edn positiva)."}], "lastModified": "2024-11-21T06:23:30.803", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0332FE7-D275-4C68-BCFC-CF71A159E210", "versionEndExcluding": "5.3.2"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}