#Microsoft Office SharePoint

**How could an attacker exploit the vulnerability?** In a network-based attack, an authenticated attacker as a Site Owner could execute code remotely on the SharePoint Server.

**According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?** The attacker must be authenticated to be able to exploit this vulnerability.

**How could an attacker exploit the vulnerability?** In a network-based attack an attacker who has privileges to create a site on a vulnerable SharePoint server could use this vulnerability to cause the server to leak its NTLM hash.

**According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?** The attacker must be authenticated and possess the permissions for page creation to be able to exploit this vulnerability.

**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** Successful exploitation of this vulnerability requires an attacker to gather information specific to the environment of the targeted component.

**According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?** The attacker must be authenticated to the target site, with the permission to use Manage Lists within SharePoint.

**According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?** The attacker must be authenticated and possess the permissions for page creation to be able to exploit this vulnerability.

**Are any additional steps required to protect my SharePoint farm after installing the January 10, 2023 security update for SharePoint Server?** Yes. Customers must also trigger a SharePoint upgrade action included in this update to protect their SharePoint farm. The upgrade action can be triggered by running the SharePoint Products Configuration Wizard, the Upgrade-SPFarm PowerShell cmdlet, or the "psconfig.exe -cmd upgrade -inplace b2b" command on each SharePoint server after installing the update.

**I am running SharePoint Enterprise Server 2013 Service Pack 1. Do I need to install both updates that are listed for SharePoint Enterprise Server 2013 Service Pack 1?** No. The Cumulative update for SharePoint Server 2013 includes the update for Foundation Server 2013. Customers running SharePoint Server 2013 Service Pack 1 can install the cumulative update or the security update, which is the same update as for Foundation Server 2013. Please note that this is a clarification of the existing servicing model for SharePoint Server 2013 and applies for all previous updates.

**I am running SharePoint Enterprise Server 2013 Service Pack 1. Do I need to install both updates that are listed for SharePoint Enterprise Server 2013 Service Pack 1?** No. The Cumulative update for SharePoint Server 2013 includes the update for Foundation Server 2013. Customers running SharePoint Server 2013 Service Pack 1 can install the cumulative update or the security update, which is the same update as for Foundation Server 2013. Please note that this is a clarification of the existing servicing model for SharePoint Server 2013 and applies for all previous updates.