Resource exhaustion in Fhir Hapi

CVE-2021-32053

JPA Server in HAPI FHIR before 5.4.0 allows a user to deny service (e.g., disable access to the database after the attack stops) via history requests. This occurs because of a SELECT COUNT statement that requires a full index scan, with an accompanying large amount of server resources if there are many simultaneous history requests.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.016 (73.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-32053?
CVE-2021-32053 is a medium-severity vulnerability in Fhir Hapi, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2021-05-10.
How severe is CVE-2021-32053?
Medium severity. CVSS v3 base score is 5.3 out of 10.