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    CVE-2020-1147

    A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.

    Published:Jul 14, 2020
    Last Modified:Oct 29, 2025
    EPS:Jul 14, 2020
    EPSS Score:0.93092
    CVSS Score:7.8

    CISA Notification

    Description

    A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    May 3, 2022
    1592 days ago
    Alert Date
    Nov 3, 2021
    1773 days ago

    Affected Products

    Vendor
    Microsoft
    Product
    .net Core
    Vendor
    Microsoft
    Product
    .net Framework
    Vendor
    Microsoft
    Product
    Sharepoint Enterprise Server
    Vendor
    Microsoft
    Product
    Sharepoint Server
    Vendor
    Microsoft
    Product
    Visual Studio 2017
    Vendor
    Microsoft
    Product
    Visual Studio 2019
    Vendor
    Microsoft
    Product
    Windows 10
    Vendor
    Microsoft
    Product
    Windows 7
    Vendor
    Microsoft
    Product
    Windows 8.1
    Vendor
    Microsoft
    Product
    Windows Rt 8.1
    Vendor
    Microsoft
    Product
    Windows Server 2008
    Vendor
    Microsoft
    Product
    Windows Server 2012
    Vendor
    Microsoft
    Product
    Windows Server 2016
    Vendor
    Microsoft
    Product
    Windows Server 2019
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Dotnet
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    http://packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.htmlhttp://packetstormsecurity.com/files/158876/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/163644/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.htmlhttps://www.exploitalert.com/view-details.html?id=35992http://packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.htmlhttp://packetstormsecurity.com/files/158876/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/163644/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.htmlhttps://www.exploitalert.com/view-details.html?id=35992https://www.exploit-db.com/exploits/48747https://www.exploit-db.com/exploits/50151

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    Related CVEs

    CVE-2022-41089 (CVSS 7.8) — .NET Framework Remote Code Execution Vulnerability…
    CVE-2022-41032 (CVSS 7.8) — NuGet Client Elevation of Privilege Vulnerability…
    CVE-2022-38013 (CVSS 7.5) — .NET Core and Visual Studio Denial of Service Vulnerability…
    CVE-2022-34716 (CVSS 5.9) — .NET Spoofing Vulnerability…
    CVE-2022-30184 (CVSS 5.5) — .NET and Visual Studio Information Disclosure Vulnerability…
    CVE-2022-29145 (CVSS 7.5) — .NET and Visual Studio Denial of Service Vulnerability…
    CVE-2022-23267 (CVSS 7.5) — .NET and Visual Studio Denial of Service Vulnerability…
    CVE-2022-29117 (CVSS 7.5) — .NET and Visual Studio Denial of Service Vulnerability…
    CVE-2022-24464 (CVSS 7.5) — .NET and Visual Studio Denial of Service Vulnerability…
    CVE-2022-24512 (CVSS 6.3) — .NET and Visual Studio Remote Code Execution Vulnerability…

    References

    http://packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.html
    http://packetstormsecurity.com/files/158876/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
    http://packetstormsecurity.com/files/163644/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
    https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147
    https://www.exploitalert.com/view-details.html?id=35992
    http://packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.html
    http://packetstormsecurity.com/files/158876/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
    http://packetstormsecurity.com/files/163644/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
    https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147
    https://www.exploitalert.com/view-details.html?id=35992
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1147

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High