What’s Vulnerable › Vulnerabilities

CVE-2024-2550: PAN-OS: Firewall Denial of Service (DoS) in GlobalProtect Gateway Using a Specially Crafted Packet

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-14 · updated 2026-06-17
• Weakness: CWE-476

Description

A null pointer dereference vulnerability in the GlobalProtect gateway in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop the GlobalProtect service on the firewall by sending a specially crafted packet that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.

Affected products

• Palo Alto Networks PAN-OS: from 10.2.0 before 10.2.7; from 11.0.0 before 11.0.6; from 11.1.0 before 11.1.4; 10.2.7-h1, 10.2.7-h12, 10.2.7-h16, 10.2.7-h18, 10.2.7-h19, 10.2.7-h3 (+21); 10.2.8, 10.2.9, 10.2.10, 11.1.4 — fixed in 10.2.7, 11.0.6, 11.1.4
• Palo Alto Networks PAN-OS: from 11.1.0 before 11.1.5; from 11.0.0 before 11.0.6; from 10.2.0 before 10.2.11 — fixed in 11.1.5, 11.0.6, 10.2.11

How to fix

Upgrade to a fixed version: Palo Alto Networks PAN-OS 10.2.7, 11.0.6, 11.1.4; Palo Alto Networks PAN-OS 11.1.5, 11.0.6, 10.2.11. Check the vendor advisory for mitigations.

References

• https://security.paloaltonetworks.com/CVE-2024-2550

Get alerted when CVE-2024-2550 or the next vulnerability affects your stack