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CVE-2020-16952— Microsoft SharePoint Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Microsoft SharePoint Enterprise Server 2016
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft SharePoint是美国微软（Microsoft）公司的一套企业业务协作平台。该平台用于对业务信息进行整合，并能够共享工作、与他人协同工作、组织项目和工作组、搜索人员和信息。 Microsoft SharePoint 存在安全漏洞，该漏洞允许攻击者可以在 SharePoint 应用程序池和 SharePoint 服务器场帐户的上下文中运行任意代码。以下产品及版本受到影响： Microsoft SharePoint Enterprise Server 2016版本， Microsoft

CVSS 8.6 · High EPSS 71.09% · P99
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I. Basic Information for CVE-2020-16952

Vulnerability Information
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Vulnerability Title
Microsoft SharePoint Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
<p>A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.</p> <p>Exploitation of this vulnerability requires that a user uploads a specially crafted SharePoint application package to an affected version of SharePoint.</p> <p>The security update addresses the vulnerability by correcting how SharePoint checks the source markup of application packages.</p>
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft SharePoint 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft SharePoint是美国微软（Microsoft）公司的一套企业业务协作平台。该平台用于对业务信息进行整合，并能够共享工作、与他人协同工作、组织项目和工作组、搜索人员和信息。 Microsoft SharePoint 存在安全漏洞，该漏洞允许攻击者可以在 SharePoint 应用程序池和 SharePoint 服务器场帐户的上下文中运行任意代码。以下产品及版本受到影响： Microsoft SharePoint Enterprise Server 2016版本， Microsoft
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 ~ publication cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
Microsoft Microsoft SharePoint Server 2019 16.0.0 ~ publication cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
Microsoft Microsoft SharePoint Foundation 2013 Service Pack 1 15.0.0 ~ publication cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*

II. Public POCs for CVE-2020-16952

# POC Description Source Link Shenlong Link
1 Microsoft SharePoint is vulnerable to a remote code execution when the software fails to check the source markup of an application package. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-16952.yaml POC Details
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III. Intelligence Information for CVE-2020-16952

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Vendor Advisories for CVE-2020-16952 (1)

Exploits & Public PoCs for CVE-2020-16952 (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-2020-16951 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-16932 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2020-16954 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2020-16939 7.8 HIGH Group Policy Elevation of Privilege 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-2020-16967 7.8 HIGH Windows Camera Codec Pack Remote Code Execution Vulnerability

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

IV. Related Vulnerabilities

Same product: Microsoft SharePoint Enterprise Server 2016
Same vendor: Microsoft

V. Comments for CVE-2020-16952

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