Microsoft SharePoint Server Spoofing Vulnerability
CVE-2023-36891

8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sharepoint Server 2019
Microsoft Sharepoint Server Subscription Edition
Vendor
CVE Published:
8 August 2023

What is CVE-2023-36891?

A spoofing vulnerability exists in Microsoft SharePoint Server that could allow an attacker to impersonate another user. This flaw can be exploited when an attacker sends a specially crafted request to a SharePoint server, enabling them to gain unauthorized access to sensitive information. Organizations utilizing affected versions of SharePoint Server should assess their systems and consider applying the recommended patches to mitigate potential risks.

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Affected Version(s)

Microsoft SharePoint Server 2019 x64-based Systems 16.0.0 < 16.0.10401.20025

Microsoft SharePoint Server Subscription Edition x64-based Systems 16.0.0 < 16.0.16130.20684

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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