Vulnerability · Published Sep 11, 2020 · Assigned by microsoft

CVE-2020-1595Microsoft SharePoint Remote Code Execution Vulnerability

Critical 9.9

In plain English

A critical-severity security flaw in Microsoft SharePoint Enterprise Server 2013 Service Pack 1 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).

Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)2.0%top 19.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

<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>

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 – before publication
Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1 15.0.0 – before publication
Microsoft Microsoft SharePoint Server 2019 16.0.0 – before publication
Microsoft Microsoft SharePoint Foundation 2013 Service Pack 1 15.0.0 – before publication

References