How severe is CVE-2023-4503?

CVE-2023-4503 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-4503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4503?

CVE-2023-4503 primarily affects Redhat Jboss Enterprise Application Platform. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-4503?

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

Does CVE-2023-4503 have an EU (EUVD) identifier?

Yes. CVE-2023-4503 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54358.

When was CVE-2023-4503 published?

CVE-2023-4503 was published on 2024-02-06 and last updated on 2026-06-17.

CVE-2023-4503

CVE-2023-4503 is a medium-severity vulnerability in Redhat Jboss Enterprise Application Platform with a CVSS 3.x base score of 6.8. 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-665.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-54358
Weakness: CWE-665
Affected product: Redhat Jboss Enterprise Application Platform
Published: 2024-02-06
Last modified: 2026-06-17

Description

An improper initialization vulnerability was found in Galleon. When using Galleon to provision custom EAP or EAP-XP servers, the servers are created unsecured. This issue could allow an attacker to access remote HTTP services available from the server.

Frequently asked questions

What is CVE-2023-4503?: An improper initialization vulnerability was found in Galleon. When using Galleon to provision custom EAP or EAP-XP servers, the servers are created unsecured. This issue could allow an attacker to access remote HTTP services available from the server.
How severe is CVE-2023-4503?: CVE-2023-4503 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-4503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4503?: CVE-2023-4503 primarily affects Redhat Jboss Enterprise Application Platform. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-4503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-4503 have an EU (EUVD) identifier?: Yes. CVE-2023-4503 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54358.
When was CVE-2023-4503 published?: CVE-2023-4503 was published on 2024-02-06 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:redhat:jboss_enterprise_application_platform:-:*:*:*:text-only:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_application_platform_expansion_pack:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.4:*:*:*:*:*:*:*

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