CVE-2013-0081: Microsoft SharePoint Foundation

Medium severity, CVSS 5.0. EPSS: 76.7% chance of exploitation in the next 30 days.

Microsoft SharePoint Portal Server 2003 SP3 and SharePoint Server 2007 SP3, 2010 SP1 and SP2, and 2013 do not properly process unassigned workflows, which allows remote attackers to cause a denial of service (W3WP process hang) via a crafted URL, aka "SharePoint Denial of Service Vulnerability."

Affected products

• Microsoft SharePoint Foundation: version 2010 only; version 2013 only
• Microsoft SharePoint Portal Server: version 2003 only
• Microsoft SharePoint Server: version 2007 only; version 2010 only; version 2013 only
• Microsoft SharePoint Services: version 2.0 only; version 3.0 only

Published 2013-09-11. Last modified 2026-06-16.