CVE-2020-16951 | Microsoft SharePoint Server 2013 SP1/2016/2019 Application Package access control
A vulnerability classified as critical has been found in Microsoft SharePoint Server 2013 SP1/2016/2019. Affected by this issue is some unknown functionality of the component Application Package Handler. The manipulation leads to improper access controls.
This vulnerability is documented as CVE-2020-16951. The attack can be initiated remotely. There is not any exploit available.
Applying a patch is the recommended action to fix this issue.