Main Vulnerability Database Vulnerabilities #VU28829

Input validation error in Microsoft SharePoint Foundation and Microsoft SharePoint Server - CVE-2020-1181

Published: June 9, 2020 / Updated: June 10, 2020

Vulnerability identifier: #VU28829

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-1181

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to the Microsoft SharePoint Server fails to properly identify and filter unsafe ASP.Net web controls. A remote authenticated attacker can create a specially crafted page and upload an XML file containing an arbitrary Web Part definition, which may result in remote code execution n the context of the service account.

Affected software

Microsoft SharePoint Foundation
Microsoft SharePoint Server

How to mitigate CVE-2020-1181

Install updates from vendor's website.

External References

Related Security Bulletins