PAN-OS: GlobalProtect Authorization Bypass Vulnerability

Overview

An authorization bypass vulnerability in the GlobalProtect gateway of Palo Alto Networks PAN-OS® software enables an authenticated attacker with valid GlobalProtect credentials to bypass IP address restrictions and circumvent network access controls that rely on source IP filtering.

Cloud NGFW is not affected by this vulnerability.

Affected

• cloud_ngfw
• PAN-OS >= 12.2.0 < 12.2.4-h2
• PAN-OS >= 12.1.0 < 12.1.10-h4
• PAN-OS >= 11.2.0 < 11.2.16-h2
• PAN-OS >= 11.1.0 < 11.1.16-h5
• prisma_access >= 12.1.0 < 12.1.10-h4
• prisma_access 11.2.0

Remediation

VERSION MINOR VERSION SUGGESTED SOLUTION Cloud NGFW No action needed. PAN-OS 12.2 12.2.0 through 12.2.4-h* Upgrade to 12.2.4-h2 or later. PAN-OS 12.1 12.1.2 through 12.1.10-h* Upgrade to 12.1.10-h4 or later. PAN-OS 11.2 11.2.0 through 11.2.16-h* Upgrade to 11.2.16-h2 or later. PAN-OS 11.1 11.1.0 through 11.1.16-h* Upgrade to 11.1.16-h5 or later. All older Upgrade to a supported fixed version. unsupported PAN-OS versions Prisma Access 12.1 12.1.2 through 12.1.10-4* Upgrade to 12.1.10-h4 or later. Prisma Access 11.2 Upgrade to 12.1.10-h4 or later.

• See the note under Product Status for information regarding Prisma Access upgrades.

Workarounds

You can reduce exposure to this vulnerability by limiting access to GlobalProtect services using DoS protection policies, country-based access restrictions, and IP blocklists. For detailed configuration guidance, see: How to limit unnecessary exposure to the internet (for GlobalProtect and other services) (https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA14u0000008XtYCAU).