CVE-2021-31974— Server for NFS Denial of Service Vulnerability
Quick assessment
Affected
Microsoft Windows 10 Version 1809
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microsoft Windows NFS是美国微软（Microsoft）公司的一个网络文件系统。 Windows Network File System存在安全漏洞。以下产品和版本受到影响：Windows 10 Version 21H1 for x64-based Systems,Windows 10 Version 21H1 for ARM64-based Systems,Windows 10 Version 21H1 for 32-bit Systems,Windows 10 Version 200
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-31974
Vulnerability Information
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Vulnerability Title
Server for NFS Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Server for NFS Denial of Service Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Windows Network File System 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows NFS是美国微软（Microsoft）公司的一个网络文件系统。 Windows Network File System存在安全漏洞。以下产品和版本受到影响：Windows 10 Version 21H1 for x64-based Systems,Windows 10 Version 21H1 for ARM64-based Systems,Windows 10 Version 21H1 for 32-bit Systems,Windows 10 Version 200
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 1809 | 10.0.0 ~ 10.0.17763.1999 |
cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:x86:*
|
|
| Microsoft | Windows Server 2019 | 10.0.0 ~ 10.0.17763.1999 |
cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1999:*:*:*:*:*:*:*
|
|
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.0 ~ 10.0.17763.1999 |
cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1999:*:*:*:*:*:*:*
|
|
| Microsoft | Windows 10 Version 1909 | 10.0.0 ~ 10.0.18363.1621 |
cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1621:*:*:*:*:*:x86:*
|
|
| Microsoft | Windows 10 Version 21H1 | 10.0.0 ~ 10.0.19043.1052 |
cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:x64:*
|
|
| Microsoft | Windows 10 Version 2004 | 10.0.0 ~ 10.0.19041.1052 |
cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1052:*:*:*:*:*:x64:*
|
|
| Microsoft | Windows Server version 2004 | 10.0.0 ~ 10.0.19041.1052 |
cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1052:*:*:*:*:*:*:*
|
|
| Microsoft | Windows 10 Version 20H2 | 10.0.0 ~ 10.0.19042.1052 |
cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1052:*:*:*:*:*:x86:*
|
|
| Microsoft | Windows Server version 20H2 | 10.0.0 ~ 10.0.19042.1052 |
cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1052:*:*:*:*:*:*:*
|
|
| Microsoft | Windows 10 Version 1507 | 10.0.0 ~ 10.0.10240.18967 |
cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.18967:*:*:*:*:*:x86:*
|
|
| Microsoft | Windows 10 Version 1607 | 10.0.0 ~ 10.0.14393.4467 |
cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4467:*:*:*:*:*:x86:*
|
|
| Microsoft | Windows Server 2016 | 10.0.0 ~ 10.0.14393.4467 |
cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4467:*:*:*:*:*:*:*
|
|
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.0 ~ 10.0.14393.4467 |
cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4467:*:*:*:*:*:*:*
|
|
| Microsoft | Windows 8.1 | 6.3.0 ~ 6.3.9600.20045 |
cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20045:*:*:*:*:*:x86:*
|
|
| Microsoft | Windows Server 2012 | 6.2.0 ~ 6.2.9200.23372 |
cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23372:*:*:*:*:*:x64:*
|
|
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.0 ~ 6.2.9200.23372 |
cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23372:*:*:*:*:*:x64:*
|
|
| Microsoft | Windows Server 2012 R2 | 6.3.0 ~ 6.3.9600.20045 |
cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20045:*:*:*:*:*:x64:*
|
|
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.0 ~ 6.3.9600.20045 |
cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20045:*:*:*:*:*:x64:*
|
|
II. Public POCs for CVE-2021-31974
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-31974 (1)
Same Patch Batch · Microsoft · 2021-06-08 · 50 CVEs total
| CVE-2021-31962 | 9.4 CRITICAL | Kerberos AppContainer Security Feature Bypass Vulnerability |
| CVE-2021-31977 | 8.6 HIGH | Windows Hyper-V Denial of Service Vulnerability |
| CVE-2021-33739 | 8.4 HIGH | Microsoft DWM Core Library Elevation of Privilege Vulnerability |
| CVE-2021-33741 | 8.2 HIGH | Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability |
| CVE-2021-31980 | 8.1 HIGH | Microsoft Intune Management Extension Remote Code Execution Vulnerability |
| CVE-2021-31973 | 7.8 HIGH | Windows GPSVC Elevation of Privilege Vulnerability |
| CVE-2021-31942 | 7.8 HIGH | 3D Viewer Remote Code Execution Vulnerability |
| CVE-2021-31967 | 7.8 HIGH | VP9 Video Extensions Remote Code Execution Vulnerability |
| CVE-2021-31983 | 7.8 HIGH | Paint 3D Remote Code Execution Vulnerability |
| CVE-2021-31940 | 7.8 HIGH | Microsoft Office Graphics Remote Code Execution Vulnerability |
| CVE-2021-31939 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2021-31941 | 7.8 HIGH | Microsoft Office Graphics Remote Code Execution Vulnerability |
| CVE-2021-31943 | 7.8 HIGH | 3D Viewer Remote Code Execution Vulnerability |
| CVE-2021-31956 | 7.8 HIGH | Windows NTFS Elevation of Privilege Vulnerability |
| CVE-2021-31954 | 7.8 HIGH | Windows Common Log File System Driver Elevation of Privilege Vulnerability |
| CVE-2021-31952 | 7.8 HIGH | Windows Kernel-Mode Driver Elevation of Privilege Vulnerability |
| CVE-2021-31953 | 7.8 HIGH | Windows Filter Manager Elevation of Privilege Vulnerability |
| CVE-2021-31951 | 7.8 HIGH | Windows Kernel Elevation of Privilege Vulnerability |
| CVE-2021-31945 | 7.8 HIGH | Paint 3D Remote Code Execution Vulnerability |
| CVE-2021-31946 | 7.8 HIGH | Paint 3D Remote Code Execution Vulnerability |
Showing top 20 of 50 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-31974
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