CVE-2025-5662: Deserialization Vulnerability in h2oai/h2o-3

Published Sep 2, 2025
·
Updated

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.

Affected Software

3 affected components
H2O.ai H2O-3<=3.46.0.7
MySQL MySQL JDBC Driver
Oracle JDK

Event History

Sep 2, 2025
CVE Published
via MITRE·11:14 AM
Data Sourced
via MITRE·11:14 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·12:15 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2025-5662?

CVE-2025-5662 is rated with a high severity due to its potential for remote code execution.

2

How do I fix CVE-2025-5662?

To fix CVE-2025-5662, upgrade to a version of H2O-3 that is above 3.46.0.7.

3

What is the impact of CVE-2025-5662?

The impact of CVE-2025-5662 includes the potential for attackers to execute arbitrary code remotely on affected systems.

4

Which versions are affected by CVE-2025-5662?

All versions of H2O-3 up to and including version 3.46.0.7 are affected by CVE-2025-5662.

5

Is CVE-2025-5662 exploitable without authentication?

Yes, CVE-2025-5662 can be exploited remotely without authentication, making it particularly concerning for exposed systems.

Company

Resources

Contact

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CVE-2025-5662 - Deserialization Vulnerability in h2oai/h2o-3 - SecAlerts