CVE-2021-47864

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-428

Affected software

No affected versions have been published.

Timeline

Published
Jan 21, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2021-47864: High severity, CVSS 7.8 | Vulnix