CVE-2021-33758— Windows Hyper-V 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 1607 for x64-based Systems,Windows Server 2016,Windows Server 2016 (Server Core installation)
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 3
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0< 10.0.14393.4530 |
affected |
| Microsoft | Windows Server 2016 | 10.0.14393.0< 10.0.14393.4530 |
affected |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0< 10.0.14393.4530 |
affected |
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I. Basic Information for CVE-2021-33758
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:N/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 1607 for x64-based Systems,Windows Server 2016,Windows Server 2016 (Server Core installation)
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 ~ 10.0.14393.4530 | - |
|
| Microsoft | Windows Server 2016 | 10.0.14393.0 ~ 10.0.14393.4530 | - |
|
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 ~ 10.0.14393.4530 | - |
|
II. Public POCs for CVE-2021-33758
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-33758 (2)
Same Patch Batch · Microsoft · 2021-07-14 · 90 CVEs total
| CVE-2021-34473 | 9.1 CRITICAL | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2021-34523 | 9.0 CRITICAL | Microsoft Exchange Server Elevation of Privilege Vulnerability |
| CVE-2021-33756 | 8.8 HIGH | Windows DNS Snap-in Remote Code Execution Vulnerability |
| CVE-2021-33780 | 8.8 HIGH | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2021-34494 | 8.8 HIGH | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2021-33749 | 8.8 HIGH | Windows DNS Snap-in Remote Code Execution Vulnerability |
| CVE-2021-34508 | 8.8 HIGH | Windows Kernel Remote Code Execution Vulnerability |
| CVE-2021-33750 | 8.8 HIGH | Windows DNS Snap-in Remote Code Execution Vulnerability |
| CVE-2021-33752 | 8.8 HIGH | Windows DNS Snap-in Remote Code Execution Vulnerability |
| CVE-2021-34525 | 8.8 HIGH | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2021-34469 | 8.2 HIGH | Microsoft Office Security Feature Bypass Vulnerability |
| CVE-2021-33767 | 8.2 HIGH | Open Enclave SDK Elevation of Privilege Vulnerability |
| CVE-2021-33781 | 8.1 HIGH | Azure AD Security Feature Bypass Vulnerability |
| CVE-2021-34520 | 8.1 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2021-33786 | 8.1 HIGH | Windows LSA Security Feature Bypass Vulnerability |
| CVE-2021-33779 | 8.1 HIGH | Windows AD FS Security Feature Bypass Vulnerability |
| CVE-2021-34492 | 8.1 HIGH | Windows Certificate Spoofing Vulnerability |
| CVE-2021-33768 | 8.0 HIGH | Microsoft Exchange Server Elevation of Privilege Vulnerability |
| CVE-2021-33754 | 8.0 HIGH | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2021-34470 | 8.0 HIGH | Microsoft Exchange Server Elevation of Privilege Vulnerability |
Showing top 20 of 90 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-33758
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