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TI-2020-01038 Aliases CVE-2020-1069GHSA-hgfm-gjhm-cx48

Microsoft SharePoint Server Remote Code Execution Vulnerability

Priority MEDIUM 45CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls. An authenticated attacker who successfully exploited the vulnerability could use a specially crafted page to perform actions in the security context of the SharePoint application pool process. To exploit the vulnerability, an authenticated user must create and invoke a specially crafted page on an affected version of Microsoft SharePoint Server. The security update addresses the vulnerability by correcting how Microsoft SharePoint Server handles processing of created content.

Why it matters now

EPSS 0.04013 90th percentileScored 2026-11-07
Fix Fixed Microsoft SharePoint Enterprise Server 2016 (Microsoft): publicationMicrosoft SharePoint Foundation 2013 Service Pack 1 (Microsoft): publication+1 more product

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft SharePoint Enterprise Server 201616.0.0 to before publicationpublicationPatch availableCNA
MicrosoftMicrosoft SharePoint Foundation 2013 Service Pack 115.0.0 to before publicationpublicationPatch availableCNA
MicrosoftMicrosoft SharePoint Server 201916.0.0 to before publicationpublicationPatch availableCNA
  • Microsoft SharePoint Enterprise Server 2016 VendorMicrosoft Affected 16.0.0 to before publication Fixed in publication Patch available CNA
  • Microsoft SharePoint Foundation 2013 Service Pack 1 VendorMicrosoft Affected 15.0.0 to before publication Fixed in publication Patch available CNA
  • Microsoft SharePoint Server 2019 VendorMicrosoft Affected 16.0.0 to before publication Fixed in publication Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*2016VulnerableMicrosoft
cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*2013 sp1VulnerableMicrosoft
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*2019VulnerableMicrosoft
  • cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:* Versions 2019 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Microsoft SharePoint Enterprise Server 2016 (Microsoft) Fixed in publication
  • Fix · CNA Microsoft SharePoint Foundation 2013 Service Pack 1 (Microsoft) Fixed in publication
  • Fix · CNA Microsoft SharePoint Server 2019 (Microsoft) Fixed in publication

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1069
  2. 2026-10-03 Alias added: GHSA-hgfm-gjhm-cx48

References

Patch 2

  • TI-2019-00394 Improper input validation in Microsoft SharePoint Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-01112 A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and… KEVCVSS 3.1HIGH 7.8
  • TI-2017-08774 Memory corruption in Microsoft Office KEVCVSS 3.1HIGH 7.8
  • TI-2023-10439 Microsoft SharePoint Server Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 7.2
  • TI-2023-08100 Microsoft Word Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2025-31676 Microsoft SharePoint Server Spoofing Vulnerability KEVCVSS 3.1MEDIUM 6.5
See all 255 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences