CVE-2024-51132
Published: 05 November 2024
Summary
CVE-2024-51132 is a critical-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 7.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
An XML External Entity (XXE) vulnerability, tracked as CVE-2024-51132 and assigned CWE-611, affects HAPI FHIR versions prior to 6.4.0. The flaw resides in the library's XML processing logic and carries a CVSS 3.1 base score of 9.8, reflecting network-accessible attack vectors that require no authentication or user interaction.
An unauthenticated attacker can supply a crafted XML request containing malicious external entities to the affected FHIR endpoints. Successful exploitation enables disclosure of sensitive information from the server or execution of arbitrary code, depending on the runtime environment and parser configuration.
A publicly available proof-of-concept exploit has been posted to GitHub alongside the project's core repository. The associated EPSS score remains flat at 0.0794 with no material increase observed since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-3191
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.