CVE-2017-2335: Juniper ScreenOS

Medium severity, CVSS 5.4. EPSS: 1.1% chance of exploitation in the next 30 days.

A persistent cross site scripting vulnerability in NetScreen WebUI of Juniper Networks Juniper NetScreen Firewall+VPN running ScreenOS allows a user with the 'security' role to inject HTML/JavaScript content into the management session of other users including the administrator. This enables the lower-privileged user to effectively execute commands with the permissions of an administrator. This issue affects Juniper Networks ScreenOS 6.3.0 releases prior to 6.3.0r24 on SSG Series. No other Juniper Networks products or platforms are affected by this issue.

Affected products

• Juniper ScreenOS: version 6.3.0 only

Published 2017-07-17. Last modified 2026-06-17.