TeamViewer Loading Of Untrusted DLLs (CVE-2021-34803) - Windows

TeamViewer is prone to a vulnerability that allows loading of untrusted DLLs into the service process.

The update implements a measure to prevent a Microsoft Windows system DLL from loading untrusted DLLs from the application directory into the service process.

TeamViewer version prior to 9.0.259145, 10.x prior to 10.0.259144, 11.x prior to 11.0.259143, 12.x prior to 12.0.259142, 13.x prior to 13.2.36222, 14.x prior to 14.2.56678, 14.x starting from 14.3 and prior to 14.7.48644, 15.x prior to 15.15.5.

Checks if a vulnerable version is present on the target host.

The vendor has released updates. Please see the references for more information.