CVE-2020-1990: Palo Alto Networks PAN-OS

High severity, CVSS 7.2. EPSS: 2.1% chance of exploitation in the next 30 days.

A stack-based buffer overflow vulnerability in the management server component of PAN-OS allows an authenticated user to upload a corrupted PAN-OS configuration and potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 8.1 versions before 8.1.13; 9.0 versions before 9.0.7. This issue does not affect PAN-OS 7.1.

Affected products

• Palo Alto Networks PAN-OS: 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 2020-04-08. Last modified 2026-06-17.