{"affected":[{"affectedData":[{"cpes":["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2019","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2016","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2016 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2012","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"6.2.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2012 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"6.2.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"6.3.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"publication","status":"affected","version":"6.3.0","versionType":"custom"}]}],"source":"secure@microsoft.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*","matchCriteriaId":"A7DF96F8-BA6A-4780-9CA3-F719B3F81074","vulnerable":true},{"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_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 Remote Desktop Gateway (RD Gateway) when an attacker connects to the target system using RDP and sends specially crafted requests. An attacker who successfully exploited this vulnerability could cause the RD Gateway service on the target system to stop responding.\nTo exploit this vulnerability, an attacker would need to run a specially crafted application against a server which provides RD Gateway services.\nThe update addresses the vulnerability by correcting how RD Gateway handles connection requests."},{"lang":"es","value":"Se presenta una vulnerabilidad de denegación de servicio en Windows Remote Desktop Gateway (RD Gateway), cuando un atacante se conecta al sistema objetivo mediante RDP y envía peticiones especialmente diseñadas, también se conoce como \"Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability\"."}],"id":"CVE-2020-1466","lastModified":"2026-06-17T03:01:28.810","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}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.8,"impactScore":5.9,"source":"secure@microsoft.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"nvd@nist.gov","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2020-1466","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-03-25T18:49:09.843819Z","version":"2.0.3"}}]},"published":"2020-08-17T19:15:14.927","references":[{"source":"secure@microsoft.com","tags":["Patch","Vendor Advisory"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1466"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1466"}],"sourceIdentifier":"secure@microsoft.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"NVD-CWE-noinfo"}],"source":"nvd@nist.gov","type":"Primary"}]}