Anatomy of a Cyber Attack: PAN-OS Firewall Zero-Day I Arctic Wolf

In April 2024, Palo Alto Networks disclosed a critical zero-day vulnerability, CVE-2024-3400, affecting their PAN-OS firewalls with a severity score of 10.0. The vulnerability allows remote attackers to execute arbitrary code with root privileges. Upon its disclosure, approximately 22,542 internet-exposed firewall devices were vulnerable. Security teams quickly worked to mitigate the threat, stopping attacks in their tracks with proactive measures. Arctic Wolf prevented exploitation through active customer communication and monitoring, successfully thwarting multiple attacks and preventing ransomware infections.