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No exploitation reportedFix available

CVE-2023-4503

No exploitation reported by the sources we read.

  • Published2024-02-06
  • WeaknessCWE-665

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2024-02-0609:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-4503?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-4503?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Redhat jboss enterprise application platformversion to verify
BranchAffectedFixed in
—all versionsno fix published
7.4= 7.4no fix published
Redhat jboss enterprise application platform expansion pack
BranchAffectedFixed in
—all versionsno fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • RHSA-2023:7638 Red Hat Product Security9 products fixed

    Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4.14 on RHEL 8 security update

  • RHSA-2023:7637 Red Hat Product Security8 products fixed

    Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4.14 on RHEL 7 security update

  • RHSA-2023:7639 Red Hat Product Security9 products fixed

    Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4.14 on RHEL 9 security update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2023:7638 · 9 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
  2. Vendor fix Red Hat Product Security RHSA-2023:7639 · 9 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2024-02-07
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.16.8read 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • CNAweakness (CWE)CWE-665read 2026-10-23
  • FIRST EPSSEPSS score0.7 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2024-02-06
Last Modified
2026-06-17
NVD status
Modified

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.

Is CVE-2023-4503 actively exploited?

Active exploitation of CVE-2023-4503 has not been confirmed. Its EPSS score was 0.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-4503?

CVE-2023-4503 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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