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TI-2021-13543 Aliases CVE-2021-34519GHSA-5p25-jv7x-3c98

Microsoft SharePoint Server Information Disclosure Vulnerability

Priority LOW 33Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Microsoft SharePoint Server Information Disclosure Vulnerability

Why it matters now

EPSS 0.06136 93rd percentileScored 2026-11-07
Fix Fixed Microsoft SharePoint Enterprise Server 2013 Service Pack 1 (Microsoft): 15.0.5363.1000Microsoft SharePoint Enterprise Server 2016 (Microsoft): 16.0.5188.1000+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 2013 Service Pack 115.0.0 to before 15.0.5363.100015.0.5363.1000Patch availableCNA
MicrosoftMicrosoft SharePoint Enterprise Server 201616.0.0 to before 16.0.5188.100016.0.5188.1000Patch availableCNA
MicrosoftMicrosoft SharePoint Foundation 2013 Service Pack 115.0.0 to before 15.0.5363.100015.0.5363.1000Patch availableCNA
  • Microsoft SharePoint Enterprise Server 2013 Service Pack 1 VendorMicrosoft Affected 15.0.0 to before 15.0.5363.1000 Fixed in 15.0.5363.1000 Patch available CNA
  • Microsoft SharePoint Enterprise Server 2016 VendorMicrosoft Affected 16.0.0 to before 16.0.5188.1000 Fixed in 16.0.5188.1000 Patch available CNA
  • Microsoft SharePoint Foundation 2013 Service Pack 1 VendorMicrosoft Affected 15.0.0 to before 15.0.5363.1000 Fixed in 15.0.5363.1000 Patch available CNA

CPE configurations NVD · 3

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

Remediation

  • Fix · CNA Microsoft SharePoint Enterprise Server 2013 Service Pack 1 (Microsoft) Fixed in 15.0.5363.1000
  • Fix · CNA Microsoft SharePoint Enterprise Server 2016 (Microsoft) Fixed in 16.0.5188.1000
  • Fix · CNA Microsoft SharePoint Foundation 2013 Service Pack 1 (Microsoft) Fixed in 15.0.5363.1000

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Information Disclosure
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft SharePoint Enterprise Server 2013 Service Pack 1Fixed 15.0.5363.1000 · Security Update
Microsoft SharePoint Enterprise Server 2016Fixed 16.0.5188.1000 · Security Update
Microsoft SharePoint Enterprise Server 2016Fixed 16.0.5188.1000 · Security Update
Microsoft SharePoint Foundation 2013 Service Pack 1Fixed 15.0.5363.1000 · Security Update
Microsoft SharePoint Foundation 2013 Service Pack 1Fixed 15.0.5363.1000 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34519
  2. 2026-10-03 Alias added: GHSA-5p25-jv7x-3c98

References

Patch 2

Advisory 1

  • TI-2019-00394 Improper input validation in Microsoft SharePoint Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-08100 Microsoft Word Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2022-21993 Microsoft SharePoint Server Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
  • TI-2022-17767 Microsoft SharePoint Server Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
  • TI-2020-12940 Microsoft SharePoint Remote Code Execution Vulnerability CVSS 3.1HIGH 8.6
  • TI-2020-01145 A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails… CVSS 3.1HIGH 8.8
See all 225 →

Sources

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