CVE-2024-3393
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National Vulnerability Database Information
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 Base Score: 7.5 (v3.1)
The **CVSS Base Score** is a score from **0 to 10** that represents the intrinsic severity of a vulnerability. A higher score indicates greater severity.
0.02.55.07.510.0
Published on: 12/27/2024 10:15:17
Last modified: 11/04/2025 16:49:18
NIST: CVE source from the National Vulnerability Database (NVD)
CVSS Metrics Details
- Base Severity: HIGH
- Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector: NETWORK
- Attack Complexity: LOW
- Privileges Required: NONE
- User Interaction: NONE
- Scope: UNCHANGED
- Confidentiality Impact: NONE
- Integrity Impact: NONE
- Availability Impact: HIGH
Common Weakness Enumeration (CWE)
Database CWE: v4.18
Fonte: MITRE CWE
FIRST Information
EPSS Score: 0.6659
The **EPSS (Exploit Prediction Scoring System)** is a score from **0 to 1** that indicates the **probability** that a vulnerability will be exploited in the real world in the next 30 days. A higher value indicates a greater likelihood of exploitation.
0.00.250.50.751.0
Percentile: 0.9847
The **Percentile** indicates how much higher this vulnerability's EPSS score is compared to all other vulnerabilities in the EPSS database. For example, a percentile of 0.90 (90%) means that 90% of vulnerabilities have an EPSS score equal to or lower than the current one.
0.00.250.50.751.0
*Data updated as of: 2025-12-30
CISA Information (Known Exploited Vulnerabilities)
The **CISA KEV Catalog** lists vulnerabilities that have been **actively exploited in the real world**. If a CVE is present in this catalog, it indicates that the threat is immediate and mitigation should be a top priority.
CVE **CVE-2024-3393** **IS PRESENT** in the CISA KEV Catalog!
- Vulnerability Name: Palo Alto Networks PAN-OS Malicious DNS Packet Vulnerability
- 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.
- Date Added to KEV: 12/30/2024
- Vendor/Product: Palo Alto Networks / PAN-OS
- Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Due Date: 01/20/2025
Articles published on Red Hot Cyber
Exploit PoC from GitHub
No results found on GitHub for this CVE.
