CVE-2020-2003: Palo Alto Networks PAN-OS

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

An external control of filename vulnerability in the command processing of PAN-OS allows an authenticated administrator to delete arbitrary system files affecting the integrity of the system or causing denial of service to all PAN-OS services. This issue affects: All versions of PAN-OS 7.1 and 8.0; PAN-OS 8.1 versions before 8.1.14; PAN-OS 9.0 versions before 9.0.7; PAN-OS 9.1 versions before 9.1.1.

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, up to and including 8.1.13; from 9.0.0, up to and including 9.0.6; from 9.1.0, before 9.1.1 (fixed in 9.1.1)

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