{"containers":{"cna":{"title":"Windows Hyper-V Denial of Service Vulnerability","datePublic":"2020-10-13T07:00:00.000Z","affected":[{"vendor":"Microsoft","product":"Windows 10 Version 1803","cpes":["cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1809","cpes":["cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2019","cpes":["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2019 (Server Core installation)","cpes":["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1909","cpes":["cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server, version 1909 (Server Core installation)","cpes":["cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1709","cpes":["cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1903 for x64-based Systems","cpes":["cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*"],"platforms":["Unknown"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server, version 1903 (Server Core installation)","cpes":["cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 2004","cpes":["cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server version 2004","cpes":["cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1607","cpes":["cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2016","cpes":["cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2016 (Server Core installation)","cpes":["cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]}],"descriptions":[{"value":"<p>A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a user on a guest operating system.</p>\n<p>To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application.</p>\n<p>The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to handle these requests.</p>","lang":"en-US"}],"problemTypes":[{"descriptions":[{"description":"Denial of Service","lang":"en-US","type":"Impact"}]}],"providerMetadata":{"orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft","dateUpdated":"2023-12-31T19:20:05.441Z"},"references":[{"tags":["x_refsource_MISC"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1243"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"HIGH","baseScore":7.8,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"}}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T06:31:59.966Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1243"}]}]},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2020-1243","datePublished":"2020-10-16T22:18:14.000Z","dateReserved":"2019-11-04T00:00:00.000Z","dateUpdated":"2024-08-04T06:31:59.966Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}