CVE-2017-9447: Parallels Remote Application Server

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

In the web interface of Parallels Remote Application Server (RAS) 15.5 Build 16140, a vulnerability exists due to improper validation of the file path when requesting a resource under the "RASHTML5Gateway" directory. A remote, unauthenticated attacker could exploit this weakness to read arbitrary files from the vulnerable system using path traversal sequences.

Affected products

• Parallels Remote Application Server: version 15.5 only

Published 2018-02-28. Last modified 2026-06-17.