HAPI FHIR XML External Entity (XXE) vulnerability
Date: 2024-11
Affected: maven/ca.uhn.hapi.fhir:org.hl7.fhir.validation, maven/ca.uhn.hapi.fhir:org.hl7.fhir.utilities, maven/ca.uhn.hapi.fhir:org.hl7.fhir.r5
Attack vector: info-disclosure
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2024-51132
CWE: CWE-601
CWE-611
CVSS: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

An XML External Entity (XXE) vulnerability in HAPI FHIR before v6.4.0 allows attackers to access sensitive information or execute arbitrary code via supplying a crafted request containing malicious XML entities.


Mitigations:

Architectural layers (MAESTRO):