{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2020-0904", "ASSIGNER": "secure@microsoft.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "

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.

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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.

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The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to handle these requests.

\n" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Denial of Service" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Microsoft", "product": { "product_data": [ { "product_name": "Windows 10 Version 1803", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows 10 Version 1809", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows Server 2019", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows Server 2019 (Server Core installation)", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows 10 Version 1909", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows Server, version 1909 (Server Core installation)", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows 10 Version 1709 for 32-bit Systems", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows 10 Version 1709", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows 10 Version 1903 for 32-bit Systems", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows 10 Version 1903 for x64-based Systems", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows 10 Version 1903 for ARM64-based Systems", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows Server, version 1903 (Server Core installation)", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows 10 Version 2004", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows Server version 2004", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows 10 Version 1607", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows Server 2016", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } }, { "product_name": "Windows Server 2016 (Server Core installation)", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "publication" } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0904", "refsource": "MISC", "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0904" } ] }, "impact": { "cvss": [ { "version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C" } ] } }