Anatomy of a Cyber Attack: The PAN-OS Firewall Zero-Day
On April 12, 2024, Palo Alto Networks published a security advisory detailing an actively exploited maximum severity zero-day vulnerability affecting the GlobalProtect feature of PAN-OS. Dubbed CVE-2024-3400, it was assigned the maximum critical severity score of 10.0 through the Common Vulnerability Scoring System (CVSS), meaning the potential for damage was large and the path to exploit was easy for cybercriminals.