PAN-OS: Firewall Denial of Service (DoS) Using a Specially Crafted Packet
At a glance
Severity
HIGH 8.7
EPSS
EPSS 0.32 % · percentile 25 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
palo_alto
NVD status
Deferred
Description
A denial-of-service (DoS) vulnerability in the Simple Certificate Enrollment Protocol (SCEP) authentication feature of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode.
Cloud NGFW is not affected by this vulnerability. Prisma® Access software is proactively patched and protected from this issue.