CVE-2022-38053: 
vulnerability analysis and mitigation

Microsoft SharePoint Server Remote Code Execution Vulnerability (CVE-2022-38053) was disclosed and patched in October 2022. This vulnerability affects multiple versions of SharePoint including SharePoint Enterprise Server 2013 SP1, SharePoint Enterprise Server 2016, SharePoint Foundation 2013 SP1, SharePoint Server Subscription Edition, and SharePoint Server 2019 (NVD CVE).

The vulnerability has been assigned a CVSS v3.1 Base Score of 8.8 (HIGH) with the following vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. This indicates that the vulnerability is network exploitable, requires low attack complexity, requires low privileges, needs no user interaction, and can result in high impacts to confidentiality, integrity, and availability (NVD CVE).

If successfully exploited, this vulnerability could allow an attacker to execute remote code on the affected SharePoint server installation. The high CVSS score indicates potential severe impacts on system confidentiality, integrity, and availability (NVD CVE).

Microsoft has released security updates to address this vulnerability. The patches are available through Microsoft Update or can be downloaded from the Microsoft Update Catalog. For SharePoint Server Subscription Edition, the security update package build 16.0.15601.20158 has been released (Microsoft Support).