CVE-2020-16952
high-risk
Published 2020-10-16
<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>
Do I need to act?
!
75.1% chance of exploitation in next 30 days
EPSS score — higher than 25% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.6/10
High
NETWORK
/ LOW complexity
Affected Products (3)
Affected Vendors
References (4)
57
/ 100
high-risk
Severity
29/34 · Critical
Exploitability
19/34 · Moderate
Exposure
9/34 · Low