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CVE-2020-16927— Windows Remote Desktop Protocol (RDP) Denial of Service Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1803
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 rdp是美国微软（Microsoft）公司的一款用于连接远程Windows桌面的应用。 远程桌面协议 (RDP) 存在安全漏洞。该漏洞允许攻击者可能会导致目标系统上的 RDP 服务停止响应。以下产品及版本受到影响： Windows 10 1909版本， Windows 10 1709版本， Windows Server 1909版本， Windows Server 1903版本， Windows Server 2004版本， Windows 10 2004版本， Win

CVSS 7.5 · High EPSS 5.92% · P93

Possible ATT&CK Techniques 1 AI

T1499.002 · Service Exhaustion Flood

Affected Version Matrix 21

VendorProduct Version RangeStatus
Microsoft Windows 10 Version 1507 10.0.0< publication affected
Microsoft Windows 10 Version 1607 10.0.0< publication affected
Microsoft Windows 10 Version 1709 10.0.0< publication affected
Microsoft Windows 10 Version 1709 for 32-bit Systems 10.0.0< publication affected
Microsoft Windows 10 Version 1803 10.0.0< publication affected
Microsoft Windows 10 Version 1809 10.0.0< publication affected
Microsoft Windows 10 Version 1903 for 32-bit Systems 10.0.0< publication affected
Microsoft Windows 10 Version 1903 for ARM64-based Systems 10.0.0< publication affected
Microsoft Windows 10 Version 1903 for x64-based Systems 10.0.0< publication affected
Microsoft Windows 10 Version 1909 10.0.0< publication affected
Microsoft Windows 10 Version 2004 10.0.0< publication affected
Microsoft Windows 8.1 6.3.0< publication affected
Microsoft Windows Server 2012 R2 6.3.0< publication affected
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.0< publication affected
Microsoft Windows Server 2016 10.0.0< publication affected
Microsoft Windows Server 2016 (Server Core installation) 10.0.0< publication affected
Microsoft Windows Server 2019 10.0.0< publication affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.0< publication affected
Microsoft Windows Server version 2004 10.0.0< publication affected
Microsoft Windows Server, version 1903 (Server Core installation) 10.0.0< publication affected
Microsoft Windows Server, version 1909 (Server Core installation) 10.0.0< publication affected
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I. Basic Information for CVE-2020-16927

Vulnerability Information
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Vulnerability Title
Windows Remote Desktop Protocol (RDP) Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
<p>A denial of service vulnerability exists in Remote Desktop Protocol (RDP) when an attacker connects to the target system using RDP and sends specially crafted requests. An attacker who successfully exploited this vulnerability could cause the RDP service on the target system to stop responding.</p> <p>To exploit this vulnerability, an attacker would need to run a specially crafted application against a server which provides Remote Desktop Protocol (RDP) services.</p> <p>The update addresses the vulnerability by correcting how RDP handles connection requests.</p>
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
Microsoft RDP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows rdp是美国微软（Microsoft）公司的一款用于连接远程Windows桌面的应用。 远程桌面协议 (RDP) 存在安全漏洞。该漏洞允许攻击者可能会导致目标系统上的 RDP 服务停止响应。以下产品及版本受到影响： Windows 10 1909版本， Windows 10 1709版本， Windows Server 1909版本， Windows Server 1903版本， Windows Server 2004版本， Windows 10 2004版本， Win
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 1803 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
Microsoft Windows 10 Version 1809 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
Microsoft Windows Server 2019 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
Microsoft Windows Server 2019 (Server Core installation) 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
Microsoft Windows 10 Version 1909 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*
Microsoft Windows Server, version 1909 (Server Core installation) 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*
Microsoft Windows 10 Version 1709 for 32-bit Systems 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
Microsoft Windows 10 Version 1709 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
Microsoft Windows 10 Version 1903 for 32-bit Systems 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
Microsoft Windows 10 Version 1903 for x64-based Systems 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
Microsoft Windows 10 Version 1903 for ARM64-based Systems 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
Microsoft Windows Server, version 1903 (Server Core installation) 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*
Microsoft Windows 10 Version 2004 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
Microsoft Windows Server version 2004 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
Microsoft Windows 10 Version 1507 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*
Microsoft Windows 10 Version 1607 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
Microsoft Windows Server 2016 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
Microsoft Windows Server 2016 (Server Core installation) 10.0.0 ~ publication cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
Microsoft Windows 8.1 6.3.0 ~ publication cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x86:*
Microsoft Windows Server 2012 R2 6.3.0 ~ publication cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.0 ~ publication cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*

II. Public POCs for CVE-2020-16927

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III. Intelligence Information for CVE-2020-16927

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Vendor Advisories for CVE-2020-16927 (1)

Same Patch Batch · Microsoft · 2020-10-16 · 89 CVEs total

CVE-2020-1080 8.8 HIGH Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2020-16898 8.8 HIGH Windows TCP/IP Remote Code Execution Vulnerability
CVE-2020-16911 8.8 HIGH GDI+ Remote Code Execution Vulnerability
CVE-2020-16891 8.8 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2020-16946 8.7 HIGH Microsoft Office SharePoint XSS Vulnerability
CVE-2020-16945 8.7 HIGH Microsoft Office SharePoint XSS Vulnerability
CVE-2020-16944 8.7 HIGH Microsoft SharePoint Reflective XSS Vulnerability
CVE-2020-16952 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-16951 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-16939 7.8 HIGH Group Policy Elevation of Privilege Vulnerability
CVE-2020-16954 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2020-16936 7.8 HIGH Windows Backup Service Elevation of Privilege Vulnerability
CVE-2020-16935 7.8 HIGH Windows COM Server Elevation of Privilege Vulnerability
CVE-2020-16929 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2020-16928 7.8 HIGH Microsoft Office Click-to-Run Elevation of Privilege Vulnerability
CVE-2020-16924 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2020-16923 7.8 HIGH Microsoft Graphics Components Remote Code Execution Vulnerability
CVE-2020-16930 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2020-16940 7.8 HIGH Windows - User Profile Service Elevation of Privilege Vulnerability
CVE-2020-16957 7.8 HIGH Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

Showing top 20 of 89 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1803
Same vendor: Microsoft

V. Comments for CVE-2020-16927

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