#VU86051 Permissions, Privileges, and Access Controls in Microsoft SharePoint Server - CVE-2021-43876
Published: February 4, 2024
Vulnerability identifier: #VU86051
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-43876
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Microsoft SharePoint Server
Microsoft SharePoint Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote user to escalate privileges within the application.
The vulnerability exists due to application does not properly impose security restrictions. A remote user with the rights to use the SharePoint Migration tool and the ability to create a new SharePoint site collection can escalate privileges within the application.
Remediation
Install updates from vendor's website.