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8.7
CVSS
High

CVE-2024-3393

PUBLISHED

PAN-OS: Firewall Denial of Service (DoS) in DNS Security Using a Specially Crafted Packet

Exploited in the wild PoC available Remote Low complexity No user interaction
Vendor
Palo Alto Networks
Product
Cloud NGFW, PAN-OS
Published
Dec 27, 2024
EPSS
—

Description

A Denial of Service vulnerability in the DNS Security feature of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to send a malicious packet through the data plane of the firewall that reboots the firewall. Repeated attempts to trigger this condition will cause the firewall to enter maintenance mode.

cisa edge nessus_scanner

CVSS scores

CVSS v4.0 8.7 High

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:N/R:U/V:C/RE:M/U:Amber

Exploitation status

Exploited in the wild

Recorded 2024-12-30 00:00:00 UTC · Source

Proof of concept available

Recorded 2025-01-04 08:18:06 UTC · Source

SSVC decision points

Exploitation
active
Automatable
Yes
Technical impact
partial

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source Added
CISA Dec 30, 2024

Scanner integrations

Scanner Reference Detected
Nessus https://www.tenable.com/plugins/nessus/213409 Jun 02, 2025

Potential proof of concepts

These PoCs are unverified and could contain malware. Use at your own risk.

FelixFoxf/-CVE-2024-3393

github · Created 2025-01-04 08:18:06 UTC · 5 stars

CVE-2024-3393 EXPLOIT

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • Proof of Concept Exploit Available

  • Detected by Nessus