CVE-2021-32053

MEDIUM
5.3
CVSS Score
Published: May 10, 2021 at 08:43 PM UTC
Updated: June 17, 2026 at 03:52 AM UTC
1 product affected across 1 vendorHapi Fhir

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Severity
MEDIUM5.3
Exploit prediction
EPSS 2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.4.0
Affected range stops below 5.4.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

x_refsource_MISCPatchThird Party Advisory
https://github.com/hapifhir/hapi-fhir/pull/2642
x_refsource_MISCVendor Advisory
https://hapifhir.io

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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