CVE-2025-0125: Palo Alto PAN-OS Admin Impersonation Flaw

CVE-2025-0125 Overview

CVE-2025-0125 is an improper input neutralization vulnerability [CWE-83] in the management web interface of Palo Alto Networks PAN-OS software. The flaw allows an authenticated read-write administrator to impersonate another legitimate PAN-OS administrator. Exploitation requires network access to the management web interface and some user interaction. The issue does not affect Cloud NGFW or Prisma Access instances.

Critical Impact
A malicious authenticated administrator can impersonate another PAN-OS administrator by injecting crafted content into the management web interface, undermining accountability controls and audit trails.

Affected Products

Palo Alto Networks PAN-OS software (management web interface)
On-premises PAN-OS firewalls with administrative access exposed
Panorama-managed PAN-OS deployments where read-write administrators have web UI access

Discovery Timeline

2025-04-11 - CVE-2025-0125 published to the National Vulnerability Database
2026-06-17 - Last updated in the NVD database

Technical Details for CVE-2025-0125

Vulnerability Analysis

The vulnerability resides in the PAN-OS management web interface. The interface fails to properly neutralize input rendered in an HTML context, which maps to CWE-83 (Improper Neutralization of Script in Attributes in a Web Page). An authenticated read-write administrator can inject crafted content that executes in the browser session of another administrator viewing the affected interface.

Because the attacker starts with high privileges, the impact centers on identity abuse rather than initial access. The attacker leverages the flaw to act under another administrator's session context, obscuring the source of configuration changes and enabling account impersonation. The affected asset is confined to PAN-OS management planes; Cloud NGFW and Prisma Access are not affected.

Root Cause

The root cause is insufficient sanitization of administrator-supplied input rendered within HTML attributes in the management web interface. Content that should be treated as data is instead interpreted as executable script or markup when a second administrator loads the affected page.

Attack Vector

The attack vector is network-based against the management web interface. Preconditions include a valid read-write administrator account and a second administrator interacting with the crafted content. Restricting access to the management interface to trusted internal IP addresses substantially reduces exposure. No verified public exploit code is available, and the CVE is not listed in the CISA Known Exploited Vulnerabilities catalog. The EPSS probability is 0.398%.

No verified proof-of-concept code is publicly available. See the Palo Alto Networks CVE-2025-0125 advisory for authoritative technical details.

Detection Methods for CVE-2025-0125

Indicators of Compromise

Unexpected configuration changes attributed to administrator accounts that did not perform them
Administrator audit log entries showing actions inconsistent with the user's normal role or working hours
Anomalous HTTP requests to the management web interface containing HTML or script fragments in administrator-editable fields

Detection Strategies

Correlate PAN-OS admin audit logs with source IP and session identifiers to identify session mismatch between the acting user and the originating session
Alert on administrator field values (names, descriptions, tags) that contain angle brackets, on* event handlers, or javascript: URIs
Monitor for privilege-sensitive configuration changes performed shortly after read-write administrators edit shared UI-rendered objects

Monitoring Recommendations

Forward PAN-OS management plane logs to a centralized SIEM or data lake for cross-user session correlation
Enable and review commit and configuration change logs on a scheduled cadence, with alerts on high-impact policy edits
Track authentication events for administrator accounts and flag concurrent sessions from divergent geolocations or IP ranges

How to Mitigate CVE-2025-0125

Immediate Actions Required

Apply the fixed PAN-OS versions listed in the Palo Alto Networks security advisory
Restrict management web interface access to trusted internal IP addresses per Palo Alto Networks' management access hardening guidance
Review the roster of read-write administrator accounts and enforce least privilege, removing accounts that no longer require write access
Rotate credentials and API keys for any administrator account suspected of misuse

Patch Information

Palo Alto Networks has published fixed versions in the vendor advisory at security.paloaltonetworks.com/CVE-2025-0125. Administrators should consult the advisory for the exact fixed release trains applicable to their deployed PAN-OS version. Cloud NGFW and Prisma Access do not require action for this issue.

Workarounds

Limit management web interface exposure to a dedicated management network or jump host
Require multi-factor authentication for all PAN-OS administrator accounts
Segment administrative duties so that no single read-write administrator can edit UI-rendered objects viewed by higher-privileged users without review
Use out-of-band change control review for configuration commits until patching is complete

bash

# Example: restrict PAN-OS management interface access to trusted networks
set deviceconfig system permitted-ip 10.10.0.0/24
set deviceconfig system permitted-ip 192.0.2.10/32
commit