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CVE-2020-1147

Microsoft SharePoint Enterprise Server · remote code execution

cve-program · severity unknownEUVD CVSS 3.1 7.8 CVSS 3.1 · [email protected] · Primary 7.8 HIGHCVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary 7.8 HIGHCVSS 2.0 · [email protected] · Primary 6.8 MEDIUMCVSS_V3 Publisher rating HIGHFixed by Microsoft.NETCore.App 2.1.20Fixed by Microsoft.NETCore.App.Runtime.linux-arm 3.1.6Fixed by Microsoft.NETCore.App.Runtime.linux-arm64 3.1.6Fixed by Microsoft.NETCore.App.Runtime.linux-musl-arm64 3.1.6CISA KEV
Original advisory

cve-program · CVE-2020-1147

Published

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'.

Read the publisher's advisory

euvd · EUVD-2022-3898

Published

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'.

Read the publisher's advisory

nvd · CVE-2020-1147

Published

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'.

Read the publisher's advisory

osv · GHSA-g5vf-38cp-4px9

Published

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'.

Read the publisher's advisory

Affected versions, risk and source history

Exploitation and risk

Source status

CISA KEV lists vulnerabilities known to be exploited. FIRST EPSS estimates the likelihood of exploitation in the next 30 days. An unavailable score does not mean zero risk.

Which CVEs have scores here?

This view includes predictions for CVE identifiers explicitly listed in public NuGet advisories. Microsoft release pages have their own prediction coverage. Check source status for the scope and latest checks.

CVE-2020-1147

This is a saved version of the risk data. The advisory details have their own history. Latest risk data.

Listed in CISA KEV · added 3 Nov 2021 · Microsoft · .NET Framework, SharePoint, Visual Studio

Microsoft .NET Framework, Microsoft SharePoint, and Visual Studio contain a remote code execution vulnerability when the software fails to check the source markup of XML file input. Successful exploitation allows an attacker to execute code in the context of the process responsible for deserialization of the XML content.

CISA source

FIRST EPSS: 95.80 % · percentile 99.87 % · scored 6 Nov 2026. This score is more than two days old.

Saved 06 Nov 2026 19:10:17 UTC · View this risk record (JSON)

cve-program · CVE-2020-1147

Published

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 C…

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'.

Source published
14 Jul 2020 22:54:00 UTC
Source modified
21 Oct 2025 23:35:39 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

euvd · EUVD-2022-3898

Published

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 C…

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'.

Additional publisher context

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Jul 14, 2020, 10:54:00 PM

dateUpdated: Oct 21, 2025, 11:35:39 PM

6 related source bulletins · separate from aliases

RHSA-2020:2988: Red Hat Security Advisory: .NET Core security and bugfix update

CVE-2020-1147

RHSA-2020:2939: Red Hat Security Advisory: .NET Core 3.1 on Red Hat Enterprise Linux security and bugfix update

CVE-2020-1147

RHSA-2020:2954: security update for dotnet3.1

CVE-2020-1147

RHSA-2020:2937: Red Hat Security Advisory: .NET Core 2.1 on Red Hat Enterprise Linux security and bugfix update

CVE-2020-1147

RHSA-2020:2989: Red Hat Security Advisory: .NET Core security update

CVE-2020-1147

RHSA-2020:2938: security update for dotnet

CVE-2020-1147

Source published
Jul 14, 2020, 10:54:00 PM (timezone not stated)
Source modified
Oct 21, 2025, 11:35:39 PM (timezone not stated)
Saved here
15 Nov 2026 22:18:17 UTC
Source terms
ENISA EUVD · source terms and attribution apply

Original source record · Cite this exact observation · Complete original publisher JSON

Source: euvd · ENISA EUVD · source terms and attribution apply. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

EUVD CVSS 3.1 · 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvd · CVE-2020-1147

Published

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 C…

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'.

Additional publisher context

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: NVD-CWE-Other

Original publisher date fields

published: 2020-07-14T23:15:12.057

lastModified: 2026-06-17T03:00:34.930

42 source CPE criteria · context only
  • cpe:2.3:a:microsoft:.net_core:2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_core:3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
  • cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Source published
14 Jul 2020 23:15:12 UTC
Source modified
17 Jun 2026 03:00:34 UTC
Saved here
24 Oct 2026 16:17:20 UTC
Source terms
NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

Source: nvd · NIST NVD usage terms; underlying source attribution retained. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · [email protected] · Primary · 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary · 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS 2.0 · [email protected] · Primary · 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

osv · GHSA-g5vf-38cp-4px9

Published

.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability

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'.

Source published
24 May 2022 17:22:57 UTC
Source modified
22 Oct 2025 19:19:28 UTC
Saved here
23 Oct 2026 16:01:25 UTC
Source terms
GitHub Advisory Database · CC-BY-4.0

Original source record · Cite this exact observation · Complete original publisher JSON

Source: osv · GitHub Advisory Database · CC-BY-4.0. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS_V3 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H

Publisher rating · HIGH

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 23:13 UTC · 274 of 275 readable · 250 fully read · 18 waiting for GitHub's hourly limit · documentation 461/469 current

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