TLS Certificate Verification Disabled on CXF Transport Clients in epa4all

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-54342
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-24 19:16:59 UTC
Updated2026-07-24 19:16:59 UTC
DescriptionIn epa4all, prior to version 2026-05-20, an attacker on the network path between epa4all and any backend (ePA Aktensystem, Konnektor, IDP, TSS) can present a self-signed TLS certificate and intercept the connection. For non-VAU connections (Konnektor, IDP), this allows direct read and modification of the inner traffic, including smartcard operations and OIDC authentication exchanges. For the ePA backend, the disabled TLS verification is the transport-level enabler for the VAU MITM described in GHSA-vvh7-x6c7-46gh. This issue has been patched in version 2026-05-20.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.001250000 probability, percentile 0.026240000 (date 2026-07-25)

Problem Types: CWE-295 | CWE-295 CWE-295: Improper Certificate Validation

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
3.1CNADECLARED8.1HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Med-united Epa4all affected < 2026-05-20 Not specified

References

ReferenceSourceLinkTags
github.com/med-united/epa4all/security/advisories/GHSA-296w-v8f6-3rf7 [email protected] github.com
github.com/med-united/epa4all/releases/tag/2026-05-20 [email protected] github.com
www.machinespirits.com/advisory/b98b02 [email protected] www.machinespirits.com
github.com/med-united/epa4all/security/advisories/GHSA-vvh7-x6c7-46gh [email protected] github.com
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