Improper access control in Microsoft SharePoint Server - CVE-2023-21717

 

Improper access control in Microsoft SharePoint Server - CVE-2023-21717

Published: February 15, 2023


Vulnerability identifier: #VU72229
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-21717
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to improper access restrictions. A remote user with Manage List permissions can bypass implemented security restrictions and execute arbitrary code on the system.


Affected software

Microsoft SharePoint Server

How to mitigate CVE-2023-21717

Install updates from vendor's website.


External References

Related Security Bulletins