Code Injection in Microsoft SharePoint Server and Microsoft Business Productivity Servers - CVE-2021-27076

 

Code Injection in Microsoft SharePoint Server and Microsoft Business Productivity Servers - CVE-2021-27076

Published: March 9, 2021


Vulnerability identifier: #VU51300
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2021-27076
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft SharePoint Server
Microsoft Business Productivity Servers

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 in the Microsoft SharePoint Server. A remote authenticated attacker can send a specially crafted request and execute arbitrary code on the target system.

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


How to mitigate CVE-2021-27076

Install updates from vendor's website.

Sources