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: 9.3 [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]
CVE-ID: CVE-2020-1439
CWE-ID: CWE-91
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Microsoft SharePoint Server
How to mitigate CVE-2020-1439
Install updates from vendor's website.