Learn about CVE-2017-2339, a high-severity vulnerability in Juniper Networks' ScreenOS Firewall allowing unauthorized users to execute commands with administrator privileges. Find mitigation steps and update information here.
A security vulnerability in the NetScreen WebUI of Juniper Networks' Juniper NetScreen Firewall+VPN running ScreenOS allows unauthorized users to inject HTML/JavaScript content into the management session, potentially executing commands with administrator permissions.
Understanding CVE-2017-2339
This CVE involves a persistent cross-site scripting vulnerability in ScreenOS Firewall.
What is CVE-2017-2339?
This vulnerability in Juniper Networks' ScreenOS allows users with the 'security' role to manipulate the management session, posing a risk of unauthorized command execution with elevated privileges.
The Impact of CVE-2017-2339
Technical Details of CVE-2017-2339
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows users with lower privileges to inject malicious content into the management session, potentially executing commands with administrator permissions.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited by users with the 'security' role to inject harmful HTML/JavaScript content into the management session, compromising system integrity.
Mitigation and Prevention
Protect your systems from CVE-2017-2339 with the following measures:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates