CVE-2024-3393

HIGH CISA KEV
Published Dec 27, 2024 Modified Nov 4, 2025 CWE-754

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.

CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild.

Added: Dec 30, 2024 Remediation due: Jan 20, 2025

Weakness Type (CWE)

CWE-754 CWE-754

Affected Products

Vendor Product
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks prisma_access
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os
paloaltonetworks pan-os

References

Frequently Asked Questions

What is CVE-2024-3393? +
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. It has a CVSS v3.1 base score of 7.5 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
How severe is CVE-2024-3393? +
CVE-2024-3393 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-3393? +
CVE-2024-3393 affects products from paloaltonetworks, specifically: pan-os, prisma_access. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-3393? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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