CVE-2020-2003: PAN-OS: Authenticated administrator can delete arbitrary system file

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-05-13 · updated 2026-06-17
Weakness: CWE-73

Description

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 through 7.1.26; from 8.0.0 through 8.0.20; from 8.1.0 through 8.1.13; from 9.0.0 through 9.0.6; from 9.1.0 before 9.1.1 — fixed in 9.1.1

How to fix

Upgrade to a fixed version: Palo Alto Networks PAN-OS 9.1.1. Check the vendor advisory for mitigations.

References

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