How severe is CVE-2024-3387?

CVE-2024-3387 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-3387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-3387?

CVE-2024-3387 primarily affects Paloaltonetworks Pan-os. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-3387?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-3387 have an EU (EUVD) identifier?

Yes. CVE-2024-3387 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31976.

When was CVE-2024-3387 published?

CVE-2024-3387 was published on 2024-04-10 and last updated on 2026-06-17.

CVE-2024-3387

CVE-2024-3387 is a medium-severity vulnerability in Paloaltonetworks Pan-os with a CVSS 3.x base score of 5.3. 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-326.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-31976
Weakness: CWE-326
Affected product: Paloaltonetworks Pan-os
Published: 2024-04-10
Last modified: 2026-06-17

Description

A weak (low bit strength) device certificate in Palo Alto Networks Panorama software enables an attacker to perform a meddler-in-the-middle (MitM) attack to capture encrypted traffic between the Panorama management server and the firewalls it manages. With sufficient computing resources, the attacker could break encrypted communication and expose sensitive information that is shared between the management server and the firewalls.

Frequently asked questions

What is CVE-2024-3387?: A weak (low bit strength) device certificate in Palo Alto Networks Panorama software enables an attacker to perform a meddler-in-the-middle (MitM) attack to capture encrypted traffic between the Panorama management server and the firewalls it manages. With sufficient computing resources, the attacker could break encrypted communication and expose sensitive information that is shared between the management server and the firewalls.
How severe is CVE-2024-3387?: CVE-2024-3387 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-3387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-3387?: CVE-2024-3387 primarily affects Paloaltonetworks Pan-os. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-3387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-3387 have an EU (EUVD) identifier?: Yes. CVE-2024-3387 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31976.
When was CVE-2024-3387 published?: CVE-2024-3387 was published on 2024-04-10 and last updated on 2026-06-17.

References

https://security.paloaltonetworks.com/CVE-2024-3387

Affected products (7)

cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h2:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h3:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h4:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h5:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h6:*:*:*:*:*:*

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