{ "schema_version": "1.4.0", "id": "GHSA-xmww-w83v-qcv7", "modified": "2023-12-31T21:30:24Z", "published": "2022-05-24T17:30:50Z", "aliases": [ "CVE-2020-1243" ], "details": "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.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.The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to handle these requests., aka 'Windows Hyper-V Denial of Service Vulnerability'.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-1243" }, { "type": "WEB", "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1243" } ], "database_specific": { "cwe_ids": [], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2020-10-16T23:15:00Z" } }