MS.SharePoint.Server.ExecuteProxyUpdates.Remote.Code.Execution

Description

This indicates an attack attempt to exploit a Remote Code Execution Vulnerability in Microsoft Sharepoint Server.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application. An authenticated attacker can exploit this via a crafted request, leading to arbitrary code execution within the context of the application.

Affected Products

Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft SharePoint Foundation 2010 Service Pack 2
Microsoft SharePoint Foundation 2013 Service Pack 1

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17061

References