Public proof of conceptFix available

CVE-2024-51132

Q: Is CVE-2024-51132 actively exploited?

A proof-of-concept exploit exists for CVE-2024-51132, but active exploitation has not been confirmed at this time.

Q: What is the CVSS score for CVE-2024-51132?

CVE-2024-51132 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2024-11-05
Fixed in6.4.0
WeaknessCWE-611

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 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.

Timeline

dates in UTC

2024-11-0517:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 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-2024-51132?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-51132?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

CISA-ADP · OSV

Fhir hapi fhir

Branch	Affected	Fixed in	Source
6.4	< 6.4.0	6.4.0	CISA-ADP · OSV

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

Fix

Update Fhir hapi fhir to 6.4.0

Detection

read 2026-10-23 19:24 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedJAckLosingHeart/CVE-2024-51132-POC

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionpoc2024-11-06
OpenCVESSVC decisionpoc—
CISA-ADPCVSS 3.19.82024-11-06
CISA-ADPweakness (CWE)CWE-6112024-11-06
FIRST EPSSEPSS score1.9 %2026-10-22
PoC-in-GitHubproof of concept1read 2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2024-11-05
Last Modified: 2026-06-17
NVD status: Deferred

Frequently asked questions

What is CVE-2024-51132?

Is CVE-2024-51132 actively exploited?

A proof-of-concept exploit exists for CVE-2024-51132, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2024-51132?

CVE-2024-51132 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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