CVE-2021-42274— Windows Hyper-V Discrete Device Assignment (DDA) Denial of Service Vulnerability
Quick assessment
Affected
Microsoft Windows 10 Version 1607
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 存在输入验证错误漏洞。以下产品和版本受到影响：Windows 10 Version 1809 for x64-based Systems,Windows Server 2019,Windows Server 2019 (Server Core installation),Windows 10 Version 21H1 for x64-b
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 12
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0< 10.0.14393.4770 |
affected |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0< 10.0.17763.2300 |
affected |
| Microsoft | Windows 10 Version 2004 | 10.0.0< 10.0.19041.1348 |
affected |
| Microsoft | Windows 10 Version 21H1 | 10.0.0< 10.0.19043.1348 |
affected |
| Microsoft | Windows 11 version 21H2 | 10.0.22000.0< 10.0.22000.318 |
affected |
| Microsoft | Windows Server 2016 | 10.0.14393.0< 10.0.14393.4770 |
affected |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0< 10.0.14393.4770 |
affected |
| Microsoft | Windows Server 2019 | 10.0.17763.0< 10.0.17763.2300 |
affected |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0< 10.0.17763.2300 |
affected |
| Microsoft | Windows Server 2022 | 10.0.20348.0< 10.0.20348.350 |
affected |
| Microsoft | Windows Server version 2004 | 10.0.0< 10.0.19041.1348 |
affected |
| Microsoft | Windows Server version 20H2 | 10.0.0< 10.0.19041.1348 |
affected |
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I. Basic Information for CVE-2021-42274
Vulnerability Information
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Vulnerability Title
Windows Hyper-V Discrete Device Assignment (DDA) Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows Hyper-V Discrete Device Assignment (DDA) Denial of Service Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Hyper-V 输入验证错误漏洞
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 存在输入验证错误漏洞。以下产品和版本受到影响：Windows 10 Version 1809 for x64-based Systems,Windows Server 2019,Windows Server 2019 (Server Core installation),Windows 10 Version 21H1 for x64-b
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 10 Version 1607 | 10.0.14393.0 ~ 10.0.14393.4770 | - |
|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 ~ 10.0.17763.2300 | - |
|
| Microsoft | Windows 10 Version 2004 | 10.0.0 ~ 10.0.19041.1348 | - |
|
| Microsoft | Windows 10 Version 21H1 | 10.0.0 ~ 10.0.19043.1348 | - |
|
| Microsoft | Windows 11 version 21H2 | 10.0.22000.0 ~ 10.0.22000.318 | - |
|
| Microsoft | Windows Server 2016 | 10.0.14393.0 ~ 10.0.14393.4770 | - |
|
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 ~ 10.0.14393.4770 | - |
|
| Microsoft | Windows Server 2019 | 10.0.17763.0 ~ 10.0.17763.2300 | - |
|
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 ~ 10.0.17763.2300 | - |
|
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.350 | - |
|
| Microsoft | Windows Server version 2004 | 10.0.0 ~ 10.0.19041.1348 | - |
|
| Microsoft | Windows Server version 20H2 | 10.0.0 ~ 10.0.19041.1348 | - |
|
II. Public POCs for CVE-2021-42274
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-42274 (2)
Same Patch Batch · Microsoft · 2021-11-10 · 54 CVEs total
| CVE-2021-26443 | 9.0 CRITICAL | Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability |
| CVE-2021-38666 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2021-42321 | 8.8 HIGH | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2021-42316 | 8.8 HIGH | Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability |
| CVE-2021-42283 | 8.8 HIGH | NTFS Elevation of Privilege Vulnerability |
| CVE-2021-42275 | 8.8 HIGH | Microsoft COM for Windows Remote Code Execution Vulnerability |
| CVE-2021-42296 | 7.8 HIGH | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2021-43208 | 7.8 HIGH | 3D Viewer Remote Code Execution Vulnerability |
| CVE-2021-42298 | 7.8 HIGH | Microsoft Defender Remote Code Execution Vulnerability |
| CVE-2021-43209 | 7.8 HIGH | 3D Viewer Remote Code Execution Vulnerability |
| CVE-2021-42286 | 7.8 HIGH | Windows Core Shell SI Host Extension Framework for Composable Shell Elevation of Privilege |
| CVE-2021-42285 | 7.8 HIGH | Windows Kernel Elevation of Privilege Vulnerability |
| CVE-2021-42276 | 7.8 HIGH | Microsoft Windows Media Foundation Remote Code Execution Vulnerability |
| CVE-2021-41378 | 7.8 HIGH | Windows NTFS Remote Code Execution Vulnerability |
| CVE-2021-41377 | 7.8 HIGH | Windows Fast FAT File System Driver Elevation of Privilege Vulnerability |
| CVE-2021-41370 | 7.8 HIGH | NTFS Elevation of Privilege Vulnerability |
| CVE-2021-41367 | 7.8 HIGH | NTFS Elevation of Privilege Vulnerability |
| CVE-2021-41366 | 7.8 HIGH | Credential Security Support Provider Protocol (CredSSP) Elevation of Privilege Vulnerabili |
| CVE-2021-40442 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2021-36957 | 7.8 HIGH | Windows Desktop Bridge Elevation of Privilege Vulnerability |
Showing top 20 of 54 CVEs. View all on vendor page → →
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