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CVE-2025-5662

Deserialization Vulnerability in h2oai/h2o-3

Published: Sep 2, 2025Updated: Sep 2, 2025 Sources: CVE List NVD BDUCWE-502
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.6%
Top 54.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A deserialization vulnerability exists in the H2O-3 REST API (POST /99/ImportSQLTable) that affects all versions up to 3.46.0.7. This vulnerability allows remote code execution (RCE) due to improper validation of JDBC connection parameters when using a Key-Value format. The vulnerability is present in the MySQL JDBC Driver version 8.0.19 and JDK version 8u112. The issue is resolved in version 3.46.0.8.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-502

Affected Products

h2oai/h2o-3h2oai
Mixed
AI / ML / ml-framework
H2OH2O.ai, Inc.
Mixed
AI / ML / ml-framework
h2oaicommercialAI / ML
h2o.ai, inc.commercialUSAI / ML

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/h2oai/h2o-3/commit/f714edd6b8429c7a7211b779b6ec108a95b7382d
github.com
https://huntr.com/bounties/057a743b-b2ec-4312-8262-ce0ff8bc161c
huntr.com
https://huntr.com/bounties/057a743b-b2ec-4312-8262-ce0ff8bc161c
huntr.com

Timeline

Published
Sep 2, 2025
Last Updated
Sep 2, 2025

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