CVE-2021-47864

HIGH

7.8

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.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published1/21/2026

Last Modified1/26/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-428

References

https://web.archive.org/web/20200817150522/https://www.osas.com/(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49698(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/osas-traverse-extension-travextensionhostsvc-unquoted-service-path(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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