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CVE-2024-20684— Windows Hyper-V Denial of Service Vulnerability

Quick assessment

Affected
Microsoft Windows 11 version 21H2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Hyper-V是美国微软（Microsoft）公司的一个应用程序。一种系统管理程序虚拟化技术，能够实现桌面虚拟化。 Microsoft Hyper-V存在安全漏洞。以下产品和版本受到影响：Windows Server 2022,Windows Server 2022 (Server Core installation),Windows 11 version 21H2 for x64-based Systems,Windows 11 version 21H2 for ARM64-base

CVSS 6.5 · Medium EPSS 1.03% · P62

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 6

VendorProduct Version RangeStatus
Microsoft Windows 11 version 21H2 10.0.0< 10.0.22000.2777 affected
Microsoft Windows 11 version 22H2 10.0.22621.0< 10.0.22621.3155 affected
Microsoft Windows 11 version 22H3 10.0.22631.0< 10.0.22631.3155 affected
Microsoft Windows 11 Version 23H2 10.0.22631.0< 10.0.22631.3155 affected
Microsoft Windows Server 2022 10.0.20348.0< 10.0.20348.2322 affected
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0< 10.0.25398.709 affected
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I. Basic Information for CVE-2024-20684

Vulnerability Information
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Vulnerability Title
Windows Hyper-V Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows Hyper-V Denial of Service Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Hyper-V 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Hyper-V是美国微软（Microsoft）公司的一个应用程序。一种系统管理程序虚拟化技术，能够实现桌面虚拟化。 Microsoft Hyper-V存在安全漏洞。以下产品和版本受到影响：Windows Server 2022,Windows Server 2022 (Server Core installation),Windows 11 version 21H2 for x64-based Systems,Windows 11 version 21H2 for ARM64-base
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 11 version 21H2 10.0.0 ~ 10.0.22000.2777 -
Microsoft Windows 11 version 22H2 10.0.22621.0 ~ 10.0.22621.3155 -
Microsoft Windows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.3155 -
Microsoft Windows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.3155 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.2322 -
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.709 -

II. Public POCs for CVE-2024-20684

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III. Intelligence Information for CVE-2024-20684

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Vendor Advisories for CVE-2024-20684 (1)

Same Patch Batch · Microsoft · 2024-02-13 · 72 CVEs total

CVE-2024-21410 9.8 CRITICAL Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2024-21401 9.8 CRITICAL Microsoft Entra Jira Single-Sign-On Plugin Elevation of Privilege Vulnerability
CVE-2024-21413 9.8 CRITICAL Microsoft Outlook Remote Code Execution Vulnerability
CVE-2024-21364 9.3 CRITICAL Microsoft Azure Site Recovery Elevation of Privilege Vulnerability
CVE-2024-21403 9.0 CRITICAL Microsoft Azure Kubernetes Service Confidential Container Elevation of Privilege Vulnerabi
CVE-2024-21376 9.0 CRITICAL Microsoft Azure Kubernetes Service Confidential Container Remote Code Execution Vulnerabil
CVE-2024-21352 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2024-21366 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2024-21350 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2024-21369 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2024-21349 8.8 HIGH Microsoft ActiveX Data Objects Remote Code Execution Vulnerability
CVE-2024-21391 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2024-21372 8.8 HIGH Windows OLE Remote Code Execution Vulnerability
CVE-2024-21375 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2024-21420 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2024-21365 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2024-21378 8.8 HIGH Microsoft Outlook Remote Code Execution Vulnerability
CVE-2024-21370 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2024-21368 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2024-21367 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

Showing top 20 of 72 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 11 version 21H2
Same vendor: Microsoft
Same weakness: CWE-20

V. Comments for CVE-2024-20684

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