CVE-2020-1595

Microsoft SharePoint Remote Code Execution Vulnerability

CVE-2020-1595 is fixed in 4 products on 1 platform, first by KB4484515, released September 8, 2020. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent
CVSS
9.9
Critical
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0198
80th percentile

<p>A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. 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 access a susceptible API on an affected version of SharePoint with specially-formatted input.</p> <p>The security update addresses the vulnerability by correcting how SharePoint handles deserialization of untrusted data.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft SharePoint Enterprise Server 2013 Service Pack 1 KB4484515 Sep 8, 2020
Microsoft SharePoint Enterprise Server 2016 KB4484506 Sep 8, 2020
Microsoft SharePoint Foundation 2013 Service Pack 1 KB4484525 Sep 8, 2020
Microsoft SharePoint Server 2019 KB4484505 Sep 8, 2020

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