CVE-2020-27644: 1e Client

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

The Inventory module of the 1E Client 5.0.0.745 doesn't handle an unquoted path when executing %PROGRAMFILES%\1E\Client\Tachyon.Performance.Metrics.exe. This may allow remote authenticated users and local users to gain elevated privileges by placing a malicious cryptbase.dll file in %WINDIR%\Temp\.

Affected products

• 1e Client: version 5.0.0.745 only

Published 2020-12-29. Last modified 2026-06-17.