Vulnerability Monitor

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CVE-2020-1147

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'.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 14 products from microsoft, from microsoft, from microsoft and 11 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-07-14T23:15:12.057

Last Modified

2025-10-29T13:55:42.170

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	microsoft	.net_core	2.1	Yes
Application	microsoft	.net_core	3.1	Yes
Application	microsoft	.net_framework	2.0	Yes
Application	microsoft	.net_framework	3.0	Yes
Operating System	microsoft	windows_server_2008	-	No
Application	microsoft	.net_framework	3.5	Yes
Operating System	microsoft	windows_8.1	-	No
Operating System	microsoft	windows_server_2012	-	No
Operating System	microsoft	windows_server_2012	r2	No
Application	microsoft	.net_framework	3.5	Yes
Application	microsoft	.net_framework	4.6.2	Yes
Application	microsoft	.net_framework	4.7	Yes
Application	microsoft	.net_framework	4.7.1	Yes
Application	microsoft	.net_framework	4.7.2	Yes
Operating System	microsoft	windows_10	1607	No
Operating System	microsoft	windows_server_2016	-	No
Application	microsoft	.net_framework	3.5	Yes
Application	microsoft	.net_framework	4.6	Yes
Application	microsoft	.net_framework	4.6.1	Yes
Application	microsoft	.net_framework	4.6.2	Yes
Operating System	microsoft	windows_10	-	No
Application	microsoft	.net_framework	3.5	Yes
Application	microsoft	.net_framework	4.6	Yes
Application	microsoft	.net_framework	4.6.1	Yes
Application	microsoft	.net_framework	4.6.2	Yes
Operating System	microsoft	windows_10	-	No
Application	microsoft	.net_framework	3.5	Yes
Application	microsoft	.net_framework	4.7.1	Yes
Application	microsoft	.net_framework	4.7.2	Yes
Operating System	microsoft	windows_10	1709	No
Application	microsoft	.net_framework	3.5	Yes
Application	microsoft	.net_framework	4.7.2	Yes
Operating System	microsoft	windows_10	1803	No
Operating System	microsoft	windows_10	1809	No
Operating System	microsoft	windows_server_2016	1803	No
Operating System	microsoft	windows_server_2019	-	No
Application	microsoft	.net_framework	3.5	Yes
Application	microsoft	.net_framework	4.8	Yes
Operating System	microsoft	windows_10	1809	No
Operating System	microsoft	windows_10	1903	No
Operating System	microsoft	windows_10	1909	No
Operating System	microsoft	windows_10	2004	No
Operating System	microsoft	windows_server_2016	1903	No
Operating System	microsoft	windows_server_2016	1909	No
Operating System	microsoft	windows_server_2016	2004	No
Operating System	microsoft	windows_server_2019	-	No
Application	microsoft	.net_framework	3.5.1	Yes
Operating System	microsoft	windows_7	-	No
Operating System	microsoft	windows_server_2008	r2	No
Application	microsoft	.net_framework	4.5.2	Yes
Operating System	microsoft	windows_7	-	No
Operating System	microsoft	windows_8.1	-	No
Operating System	microsoft	windows_rt_8.1	-	No
Operating System	microsoft	windows_server_2008	-	No
Operating System	microsoft	windows_server_2008	r2	No
Operating System	microsoft	windows_server_2012	-	No
Operating System	microsoft	windows_server_2012	r2	No
Application	microsoft	.net_framework	4.6	Yes
Operating System	microsoft	windows_server_2008	-	No
Application	microsoft	.net_framework	4.6	Yes
Application	microsoft	.net_framework	4.6.1	Yes
Application	microsoft	.net_framework	4.6.2	Yes
Application	microsoft	.net_framework	4.7	Yes
Application	microsoft	.net_framework	4.7.1	Yes
Application	microsoft	.net_framework	4.7.2	Yes
Operating System	microsoft	windows_7	-	No
Operating System	microsoft	windows_8.1	-	No
Operating System	microsoft	windows_server_2008	r2	No
Operating System	microsoft	windows_server_2012	-	No
Operating System	microsoft	windows_server_2012	r2	No
Application	microsoft	.net_framework	4.8	Yes
Operating System	microsoft	windows_10	1607	No
Operating System	microsoft	windows_10	1709	No
Operating System	microsoft	windows_10	1803	No
Operating System	microsoft	windows_7	-	No
Operating System	microsoft	windows_8.1	-	No
Operating System	microsoft	windows_rt_8.1	-	No
Operating System	microsoft	windows_server_2008	r2	No
Operating System	microsoft	windows_server_2012	-	No
Operating System	microsoft	windows_server_2012	r2	No
Operating System	microsoft	windows_server_2016	-	No
Operating System	microsoft	windows_server_2016	1803	No
Application	microsoft	sharepoint_enterprise_server	2013	Yes
Application	microsoft	sharepoint_enterprise_server	2016	Yes
Application	microsoft	sharepoint_server	2010	Yes
Application	microsoft	sharepoint_server	2019	Yes
Application	microsoft	visual_studio_2017	≤ 15.9	Yes
Application	microsoft	visual_studio_2019	≤ 16.6	Yes

References

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

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For microsoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.