XML injection in Microsoft SharePoint Server - CVE-2020-1439

 

XML injection in Microsoft SharePoint Server - CVE-2020-1439

Published: July 14, 2020 / Updated: July 15, 2020


Vulnerability identifier: #VU29774
CSH Severity: High
CVSS v4.0: 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:P/U:Amber
CVE-ID: CVE-2020-1439
CWE-ID: CWE-91
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft SharePoint Server

Detailed vulnerability 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 PerformancePoint Services for SharePoint Server. 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.


How to mitigate CVE-2020-1439

Install updates from vendor's website.

Sources