CVE-2024-3393
Palo Alto Networks PAN-OS Malicious DNS Packet Vulnerability
IN CISA KEV
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.
- Vendor
- Palo Alto Networks
- Product
- PAN-OS
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-754
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2024-12-30
- Due date
- 2025-01-20
- Ransomware use
- Unknown
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
EPSS
29.1% chance of exploitation in the next 30 days (percentile 98th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.