CVE-2020-2005: Palo Alto Networks PAN-OS

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

A cross-site scripting (XSS) vulnerability exists when visiting malicious websites with the Palo Alto Networks GlobalProtect Clientless VPN that can compromise the user's active session. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.7; All versions of PAN-OS 8.0.

Affected products

• Palo Alto Networks PAN-OS: from 7.1.0, before 7.1.26 (fixed in 7.1.26); from 8.0.0, up to and including 8.0.20; from 8.1.0, before 8.1.13 (fixed in 8.1.13); from 9.0.0, before 9.0.7 (fixed in 9.0.7)

Published 2020-05-13. Last modified 2026-06-17.