CVE-2021-47864: Osas Traverse Extension

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

OSAS Traverse Extension 11 contains an unquoted service path vulnerability in the TravExtensionHostSvc service running with LocalSystem privileges. Attackers can exploit the unquoted path to inject and execute malicious code by placing executable files in the service's path, potentially gaining elevated system access.

Affected products

• Osas Osas Traverse Extension: version 11 x86 only

Published 2026-01-21. Last modified 2026-06-17.