{"affected":[{"affectedData":[{"product":"Windows Server","vendor":"Microsoft","versions":[{"status":"affected","version":"2012 R2"},{"status":"affected","version":"2012 R2 (Core installation)"},{"status":"affected","version":"2016"},{"status":"affected","version":"2016  (Core installation)"},{"status":"affected","version":"version 1803  (Core Installation)"},{"status":"affected","version":"2019"},{"status":"affected","version":"2019  (Core installation)"}]},{"product":"Windows Server, version 1903 (Server Core installation)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}]}],"source":"secure@microsoft.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*","matchCriteriaId":"DB18C4CE-5917-401E-ACF7-2747084FD36E","vulnerable":true},{"criteria":"cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*","matchCriteriaId":"041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7","vulnerable":true},{"criteria":"cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*","matchCriteriaId":"CAACE735-003E-4ACB-A82E-C0CF97D7F013","vulnerable":true},{"criteria":"cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*","matchCriteriaId":"5B921FDB-8E7D-427E-82BE-4432585080CF","vulnerable":true},{"criteria":"cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*","matchCriteriaId":"DB79EE26-FC32-417D-A49C-A1A63165A968","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A denial of service vulnerability exists in Windows DNS Server when it fails to properly handle DNS queries, aka 'Windows DNS Server Denial of Service Vulnerability'."},{"lang":"es","value":"Existe una vulnerabilidad de denegación de servicio Windows DNS Server cuando no procesa adecuadamente consultas DNS, también se conoce como  'Windows DNS Server Denial of Service Vulnerability'."}],"id":"CVE-2019-0811","lastModified":"2026-06-17T02:08:57.387","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":5.0,"confidentialityImpact":"NONE","integrityImpact":"NONE","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","version":"2.0"},"exploitabilityScore":10.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.0"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2019-07-15T19:15:15.497","references":[{"source":"secure@microsoft.com","tags":["Patch","Vendor Advisory"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0811"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0811"}],"sourceIdentifier":"secure@microsoft.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-19"}],"source":"nvd@nist.gov","type":"Primary"}]}