December 30, 2024 · Applied Cybernetics Group
CVE-2024-3393 — Palo Alto Networks PAN-OS
Palo Alto Networks PAN-OS Malicious DNS Packet Vulnerability
- Added to KEV
2024-12-30- Federal due date
2025-01-20- Vendor
- Palo Alto Networks
- Product
- PAN-OS
- EPSS
- 99.1th percentile (score 0.797, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2024-3393
CISA short description
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.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.