HIGH

CVE-2020-16952

CVSS v3

8.6

HIGH

EPSS Score

78.6%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

<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>

Technical details

Published
10/16/2020

Frequently asked questions

What is CVE-2020-16952?

<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>

Is CVE-2020-16952 actively exploited?

Active exploitation of CVE-2020-16952 has not been confirmed. The EPSS score is 78.6%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-16952?

CVE-2020-16952 has a CVSS v3 base score of 8.6 (HIGH severity).

Is CVE-2020-16952 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.