CVE-2020-2036: Palo Alto Networks PAN-OS

High severity, CVSS 8.8. EPSS: 23.9% chance of exploitation in the next 30 days.

A reflected cross-site scripting (XSS) vulnerability exists in the PAN-OS management web interface. A remote attacker able to convince an administrator with an active authenticated session on the firewall management interface to click on a crafted link to that management web interface could potentially execute arbitrary JavaScript code in the administrator's browser and perform administrative actions. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.16; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9.

Affected products

• Palo Alto Networks PAN-OS: from 8.1.0, before 8.1.16 (fixed in 8.1.16); from 9.0.0, before 9.0.9 (fixed in 9.0.9)

Published 2020-09-09. Last modified 2026-06-17.