Palo Alto Networks PAN-OS

What it is

Palo Alto Networks PAN-OS contains a vulnerability in parsing and logging malicious DNS packets in the DNS Security feature that, when exploited, allows an unauthenticated attacker to remotely reboot the firewall. Repeated attempts to trigger this condition will cause the firewall to enter maintenance mode.

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vendor notices and references

• security.paloaltonetworks.com/CVE-2024-3393
• nvd.nist.gov/vuln/detail/CVE-2024-3393

Description and required action as published by CISA. Full record at NVD.