CVE-2021-47864
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.
Published:Jan 21, 2026
Last Modified:Apr 15, 2026
EPS:Jan 21, 2026
EPSS Score:0.00017
CVSS Score:7.8
Affected Products
Vendor
Product
Action
Vendor
Osas
Product
Traverse Extension
Osas
Traverse Extension
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
