CVE 6.6 MEDIUM

PAN-OS: Firewall Denial of Service (DoS) in GlobalProtect Gateway and Portal_CVE-2026-0227

6.6 / 10
MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U/V:D/RE:M/U:Amber

Description

A vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to cause a denial of service (DoS) to the firewall. Repeated attempts to trigger this issue results in the firewall entering into maintenance mode.

Basic Information

ID CVE-2026-0227
Source palo_alto
Published Jan 15, 2026 at 18:45

Affected Product

Vendor Palo Alto Networks
Product Cloud NGFW
Version All
Affected Versions Palo Alto Networks PAN-OS 12.1.0
Palo Alto Networks PAN-OS 11.2.0
Palo Alto Networks PAN-OS 11.1.0
Palo Alto Networks PAN-OS 10.2.0
Palo Alto Networks PAN-OS 10.1.0
Palo Alto Networks Prisma Access 11.2
Palo Alto Networks Prisma Access 10.2

CWE Classification

References

💭 Join the Security Discussion

🔒 Your email address will not be published. Required fields are marked *

⚠️ Please be respectful and constructive in your comments. Security discussions should remain professional.