CVE-2021-47864

OSAS Traverse Extension 11 - 'travextensionhostsvc' Unquoted Service Path

CVSS 8.5 HIGHEPSS 0.1%CWE-428

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 8.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

21 jan 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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.

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

Produtos afetados

OSAS · OSAS Traverse Extension

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Referências

https://web.archive.org/web/20200817150522/https://www.osas.com/https://www.exploit-db.com/exploits/49698 https://www.vulncheck.com/advisories/osas-traverse-extension-travextensionhostsvc-unquoted-service-path