Microsoft SharePoint Remote Code Execution Vulnerability
50Vexday Risk Score
Prioritize patching. It exploitation observed by VulnCheck.
ssvc Actcvss 9.9epss 1.9%
from disclosure to weapon
Published on NVDSep 11
VulnCheck+886d
exploitation probability
1.9%top 21% of all CVEs
observed exploitation
yesVulnCheck
<p>A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.</p>
<p>Exploitation of this vulnerability requires that a user uploads a specially crafted SharePoint application package to an affected version of SharePoint.</p>
<p>The security update addresses the vulnerability by correcting how SharePoint checks the source markup of application packages.</p>
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C
Affected products
Microsoft · Microsoft Business Productivity Servers 2010 Service Pack 2Microsoft · Microsoft SharePoint Enterprise Server 2013 Service Pack 1Microsoft · Microsoft SharePoint Enterprise Server 2016Microsoft · Microsoft SharePoint Server 2010 Service Pack 2Microsoft · Microsoft SharePoint Server 2019