CVE-2024-3384

PAN-OS: Firewall Denial of Service (DoS) via Malformed NTLM Packets

Description

A vulnerability in Palo Alto Networks PAN-OS software enables a remote attacker to reboot PAN-OS firewalls when receiving Windows New Technology LAN Manager (NTLM) packets from Windows servers. Repeated attacks eventually cause the firewall to enter maintenance mode, which requires manual intervention to bring the firewall back online.

Remediation

Solution:

  • This issue is fixed in PAN-OS 8.1.24, PAN-OS 9.0.17, PAN-OS 9.1.15-h1, PAN-OS 10.0.12, and all later PAN-OS versions.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.55%
Vendor Advisory paloaltonetworks.com
Affected: Palo Alto Networks PAN-OS
Affected: Palo Alto Networks Cloud NGFW
Affected: Palo Alto Networks Prisma Access
Published at:
Updated at:

References

Link Tags
https://security.paloaltonetworks.com/CVE-2024-3384 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-3384?
CVE-2024-3384 has been scored as a high severity vulnerability.
How to fix CVE-2024-3384?
To fix CVE-2024-3384: This issue is fixed in PAN-OS 8.1.24, PAN-OS 9.0.17, PAN-OS 9.1.15-h1, PAN-OS 10.0.12, and all later PAN-OS versions.
Is CVE-2024-3384 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-3384 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-3384?
CVE-2024-3384 affects Palo Alto Networks PAN-OS, Palo Alto Networks Cloud NGFW, Palo Alto Networks Prisma Access.
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