CVE-2023-6794: PAN-OS: File Upload Vulnerability in the Web Interface

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-13 · updated 2026-06-17
Weakness: CWE-434

Description

An arbitrary file upload vulnerability in Palo Alto Networks PAN-OS software enables an authenticated read-write administrator with access to the web interface to disrupt system processes and potentially execute arbitrary code with limited privileges on the firewall.

Affected products

Palo Alto Networks PAN-OS: from 8.1.0 before 8.1.26; from 9.0.0 before 9.0.17; from 9.1.0 before 9.1.14 — fixed in 8.1.26, 9.0.17, 9.1.14
Palo Alto Networks PAN-OS: from 8.1 before 8.1.26; from 9.0 before 9.0.17-h1; from 9.1 before 9.1.14 — fixed in 8.1.26, 9.0.17-h1, 9.1.14, 10.1, 10.2, 11.0

How to fix

Upgrade to a fixed version: Palo Alto Networks PAN-OS 8.1.26, 9.0.17, 9.1.14; Palo Alto Networks PAN-OS 8.1.26, 9.0.17-h1, 9.1.14, 10.1. Check the vendor advisory for mitigations.

References

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