Attackers exploit critical zero-day flaw in Palo Alto Networks firewalls

“This issue is applicable only to PAN-OS 10.2, PAN-OS 11.0, and PAN-OS 11.1 firewalls with the configurations for both GlobalProtect gateway and device telemetry enabled,” the company said in its advisory.

Customers can check if they have the GlobalProtect gateway configured under the Network > GlobalProtect > Gateways menu in the firewall’s web interface. The telemetry feature can be checked under Device > Setup > Telemetry.

Mitigating Palo Alto Networks Pan-OS

The company plans to release software hotfixes for PAN-OS 10.2, PAN-OS 11.0 and PAN-OS 11.1 to address the flaw on April 14. These patches will be numbered 10.2.9-h1, 11.0.4-h1 and 11.1.2-h3. Older PAN-OS releases are not impacted and neither are the Cloud NGFW or Prisma Access and Panorama appliances.

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