CVE-2024-3393

CISA 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.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes & references

• https://security.paloaltonetworks.com/CVE-2024-3393
• https://nvd.nist.gov/vuln/detail/CVE-2024-3393

Where this lands in 800-53

Vulnerability data triggers these controls during assessment and continuous monitoring.

• RA-5 · Vulnerability Monitoring and Scanning
• SI-2 · Flaw Remediation
• CM-6 · Configuration Settings
• SI-7 · Software, Firmware, and Information Integrity
• CM-8 · System Component Inventory

External lookups

• NVD · CVE-2024-3393
• CVE.org · CVE-2024-3393
• CISA KEV catalog (canonical)