How severe is CVE-2024-2551?

CVE-2024-2551 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-2024-2551 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-2551?

CVE-2024-2551 primarily affects Paloaltonetworks Pan-os. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-2551?

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-2024-2551 have an EU (EUVD) identifier?

Yes. CVE-2024-2551 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27500.

When was CVE-2024-2551 published?

CVE-2024-2551 was published on 2024-11-14 and last updated on 2026-06-17.

CVE-2024-2551

CVE-2024-2551 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-27500
Weakness: CWE-476
Affected product: Paloaltonetworks Pan-os
Published: 2024-11-14
Last modified: 2026-06-17

Description

A null pointer dereference vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop a core system service on the firewall by sending a crafted packet through the data plane that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.

Frequently asked questions

What is CVE-2024-2551?: A null pointer dereference vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop a core system service on the firewall by sending a crafted packet through the data plane that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.
How severe is CVE-2024-2551?: CVE-2024-2551 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-2024-2551 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-2551?: CVE-2024-2551 primarily affects Paloaltonetworks Pan-os. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-2551?: 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-2024-2551 have an EU (EUVD) identifier?: Yes. CVE-2024-2551 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27500.
When was CVE-2024-2551 published?: CVE-2024-2551 was published on 2024-11-14 and last updated on 2026-06-17.

References

https://security.paloaltonetworks.com/CVE-2024-2551

Affected products (5)

cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.4:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.4:h2:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.4:h3:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.4:h4:*:*:*:*:*:*

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