CVE-2020-1147

7.8 HIGH CISA KEV - Actively Exploited
Published: July 14, 2020 Modified: October 29, 2025

Description

A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.html
Source: secure@microsoft.com
Exploit Third Party Advisory VDB Entry
https://www.exploitalert.com/view-details.html?id=35992
Source: secure@microsoft.com
Exploit Third Party Advisory
http://packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/158876/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/163644/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://www.exploitalert.com/view-details.html?id=35992
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1147
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

11 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
93.4%
100th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-05-03

Affected Vendors

microsoft