Code Injection in Microsoft SharePoint Server - CVE-2021-28474

 

Code Injection in Microsoft SharePoint Server - CVE-2021-28474

Published: May 11, 2021


Vulnerability identifier: #VU53075
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-2021-28474
CWE-ID: CWE-94
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 in 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.


Affected software

Microsoft SharePoint Server

How to mitigate CVE-2021-28474

Install updates from vendor's website.


External References

Related Security Bulletins