Palo Alto Networks Security Advisories / CVE-2019-1572

CVE-2019-1572 Authentication Bypass in PAN-OS Management Web Interface

Severity 7.5 · HIGH
Attack Vector NETWORK
Attack Complexity LOW
Confidentiality Impact HIGH
Privileges Required NONE
Integrity Impact NONE
User Interaction NONE
Availability Impact NONE


An Authentication Bypass vulnerability exists in the PAN-OS Management Web Interface. (Ref # PAN-113675, CVE-2019-1572)

Successful exploitation of this issue may allow an unauthenticated remote user to access php files.

This issue affects Only PAN-OS 9.0.0

Product Status

PAN-OS>= 9.0.1


CVSSv3.1 Base Score:7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Weakness Type

CWE-287 Improper Authentication


PAN-OS 9.0.1 and later

Workarounds and Mitigations

This issue affects the web-based management interface of PAN-OS and is strongly mitigated by following best practices for securing the management interface of PAN-OS. Our best practices guidelines reduce the exposure of the management interface to potential attackers. We recommend that the management interface be isolated and strictly limited only to security administration personnel through either network segmentation or using the IP access control list restriction feature within PAN-OS. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at:

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