CVE-2020-2034: Palo Alto Networks PAN-OS

High severity, CVSS 8.1. EPSS: 7.2% chance of exploitation in the next 30 days.

An OS Command Injection vulnerability in the PAN-OS GlobalProtect portal allows an unauthenticated network based attacker to execute arbitrary OS commands with root privileges. An attacker requires some knowledge of the firewall to exploit this issue. This issue can not be exploited if GlobalProtect portal feature is not enabled. This issue impacts PAN-OS 9.1 versions earlier than PAN-OS 9.1.3; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; all versions of PAN-OS 8.0 and PAN-OS 7.1. Prisma Access services are not impacted by this vulnerability.

Affected products

• Palo Alto Networks PAN-OS: from 7.1.0, up to and including 7.1.26; from 8.0.0, up to and including 8.0.20; from 8.1.0, before 8.1.15 (fixed in 8.1.15); from 9.0.0, before 9.0.9 (fixed in 9.0.9); from 9.1.0, before 9.1.3 (fixed in 9.1.3)

Published 2020-07-08. Last modified 2026-06-17.