Overview
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.
https://security.paloaltonetworks.com/CVE-2024-3393 ; https://nvd.nist.gov/vuln/detail/CVE-2024-3393
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2024-3393 |
| Vendor / Product | Palo Alto Networks — PAN-OS |
| NVD Published | 2024-12-27 |
| NVD Last Modified | 2025-11-04 |
| CVSS 3.1 Score | 7.5 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Severity | HIGH |
| CWE | CWE-754 |
| CISA KEV Added | 2024-12-30 |
| CISA KEV Deadline | 2025-01-20 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2025-01-20.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2024-12-30 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2025-01-20 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2024-3393 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |