CVE-2020-2005 : What You Need to Know
Learn about CVE-2020-2005, a high-severity XSS vulnerability in Palo Alto Networks GlobalProtect Clientless VPN allowing session hijacking. Find out affected versions and mitigation steps.
A cross-site scripting (XSS) vulnerability in Palo Alto Networks GlobalProtect Clientless VPN can compromise user sessions.
Understanding CVE-2020-2005
What is CVE-2020-2005?
This vulnerability allows attackers to hijack sessions by exploiting XSS in GlobalProtect Clientless VPN.
The Impact of CVE-2020-2005
The vulnerability has a CVSS base score of 7.1 (High severity) with confidentiality impact rated as High.
Technical Details of CVE-2020-2005
Vulnerability Description
- XSS vulnerability in GlobalProtect Clientless VPN
- Affects PAN-OS versions 7.1.26, 8.1.13, 9.0.7, and all versions of 8.0
Affected Systems and Versions
- PAN-OS 7.1 versions < 7.1.26
- PAN-OS 8.1 versions < 8.1.13
- PAN-OS 9.0 versions < 9.0.7
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- User Interaction: Required
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to PAN-OS 7.1.26, 8.1.13, 9.0.7, or later versions
- Limit GlobalProtect Clientless VPN access to trusted websites
Long-Term Security Practices
- Regularly update PAN-OS to the latest version
- Implement strict web filtering policies
Patching and Updates
- PAN-OS 8.0 is end-of-life since October 31, 2019
- Ensure all systems are running supported versions