How severe is CVE-2024-3384?

CVE-2024-3384 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-3384 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-3384?

CVE-2024-3384 primarily affects Paloaltonetworks Pan-os. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-3384?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-3384 have an EU (EUVD) identifier?

Yes. CVE-2024-3384 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31973.

When was CVE-2024-3384 published?

CVE-2024-3384 was published on 2024-04-10 and last updated on 2026-06-17.

CVE-2024-3384

CVE-2024-3384 is a high-severity vulnerability in Paloaltonetworks Pan-os with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1286.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-31973
Weakness: CWE-1286
Affected product: Paloaltonetworks Pan-os
Published: 2024-04-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-3384?: 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.
How severe is CVE-2024-3384?: CVE-2024-3384 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-3384 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-3384?: CVE-2024-3384 primarily affects Paloaltonetworks Pan-os. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-3384?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-3384 have an EU (EUVD) identifier?: Yes. CVE-2024-3384 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31973.
When was CVE-2024-3384 published?: CVE-2024-3384 was published on 2024-04-10 and last updated on 2026-06-17.

References

https://security.paloaltonetworks.com/CVE-2024-3384

Affected products (2)

cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:9.1.15:-:*:*:*:*:*:*

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