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Check Point Advisories

Microsoft SharePoint Server Remote Code Execution (CVE-2021-27076)

Check Point Reference: CPAI-2021-0133
Date Published: 9 Mar 2021
Severity: High
Last Updated: 9 Mar 2021
Source: Microsoft CVE-2021-27076
Industry Reference:CVE-2021-27076
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft Business Productivity Servers 2010 Service Pack 2
Microsoft SharePoint Foundation 2013 Service Pack 1
Vulnerability Description A remote code execution vulnerability exists in Microsoft Microsoft SharePoint. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Microsoft SharePoint Server Remote Code Execution (CVE-2021-27076) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  Microsoft SharePoint Server Remote Code Execution (CVE-2021-27076)

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