CVE-2021-43105

{"id": "CVE-2021-43105", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2022-03-28T23:15:07.717", "references": [{"url": "https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md", "tags": ["Release Notes", "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": "A vulnerability in the bailiwick checking function in Technitium DNS Server <= v7.0 exists that allows specific malicious users to inject `NS` records of any domain (even TLDs) into the cache and conduct a DNS cache poisoning attack."}, {"lang": "es", "value": "Se presenta una vulnerabilidad en la funci\u00f3n bailiwick checking en Technitium DNS Server versiones anteriores a v7.0 incluy\u00e9ndola, que permite a usuarios maliciosos espec\u00edficos inyectar registros \"NS\" de cualquier dominio (incluso TLD) en el cach\u00e9 y conducir un ataque de envenenamiento de cach\u00e9 de DNS"}], "lastModified": "2022-04-05T15:06:29.433", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:technitium:dns_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7B8FF9ED-FF02-4489-8FEA-969F0F83CC65", "versionEndIncluding": "7.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}