CVE-2021-47864
OSAS Traverse Extension 11 - 'travextensionhostsvc' Unquoted Service Path
- State
- Published
- Severity
- 8.5 High
- Published
- Jan 21, 2026
- Updated
- Apr 7, 2026
- Reserved
- Jan 18, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.5 High | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-428 Unquoted Search Path or Element
Affected Products
| Product | Versions |
|---|---|
OSAS Traverse ExtensionOSAS |
|
References
- ExploitDB-49698exploit
- Archived Vendor Homepageproduct
- VulnCheck Advisory: OSAS Traverse Extension 11 - 'travextensionhostsvc' Unquoted Service Paththird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.