Affected: Palo Alto Networks PAN-OS, Palo Alto Networks Cloud NGFW, Palo Alto Networks Prisma Access

A Denial of Service (DoS) vulnerability in the GlobalProtect feature of Palo Alto Networks PAN-OS software enables an unauthenticated attacker to render the service unavailable by sending a large number of specially crafted packets over a period of time. This issue affects both the GlobalProtect portal and the GlobalProtect gateway.

This issue does not apply to Cloud NGFWs or Prisma Access software.