#VU29836 XML injection in Microsoft products - CVE-2020-1147

 

#VU29836 XML injection in Microsoft products - CVE-2020-1147

Published: July 14, 2020 / Updated: February 20, 2022


Vulnerability identifier: #VU29836
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2020-1147
CWE-ID: CWE-91
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
Microsoft SharePoint Server
Visual Studio
ASP.NET Core MVC
Microsoft .NET Core
Microsoft .NET Framework
Software vendor:
Microsoft

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation when processing XML data in .NET Framework, Microsoft SharePoint, and Visual Studio. A remote unauthenticated attacker can pass specially crafted XML data to the application and execute arbitrary code on the system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links