CVE-2021-3045: Palo Alto Networks PAN-OS

Medium severity, CVSS 4.9. EPSS: 0.8% chance of exploitation in the next 30 days.

An OS command argument injection vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator to read any arbitrary file from the file system. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.19; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.10. PAN-OS 10.0 and later versions are not impacted.

Affected products

• Palo Alto Networks PAN-OS: from 8.1.0, before 8.1.19 (fixed in 8.1.19); from 9.0.0, before 9.0.14 (fixed in 9.0.14); from 9.1.0, before 9.1.10 (fixed in 9.1.10)

Published 2021-08-11. Last modified 2026-06-17.