Description
A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls. An authenticated attacker who successfully exploited the vulnerability could use a specially crafted page to perform actions in the security context of the SharePoint application pool process. To exploit the vulnerability, an authenticated user must create and invoke a specially crafted page on an affected version of Microsoft SharePoint Server. The security update addresses the vulnerability by correcting how Microsoft SharePoint Server handles processing of created content.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- microsoft / Microsoft SharePoint Enterprise Server2016 – 2016
- microsoft / Microsoft SharePoint Enterprise Server 201616.0.0 – publication
- microsoft / Microsoft SharePoint Foundation2013 Service Pack 1 – 2013 Service Pack 1
- microsoft / Microsoft SharePoint Foundation 2013 Service Pack 115.0.0 – publication
- microsoft / Microsoft SharePoint Server2019 – 2019
- microsoft / Microsoft SharePoint Server 201916.0.0 – publication
- microsoft / sharepoint_enterprise_server2016 – 2016
- microsoft / sharepoint_foundation2013 – 2013
- microsoft / sharepoint_server2019 – 2019
References
Updated 5m ago · 8 sources