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CVE-2024-45758 — Vulnerability in ai.h2o:h2o-core — CVE Details

CRITICAL

H2O.ai H2O vulnerable to deserialization attacks via a JDBC Connection URL

Published September 6, 2024Updated June 29, 2026Source: osv

Summary

H2O.ai H2O through 3.46.0.4 allows attackers to arbitrarily set the JDBC URL, leading to deserialization attacks, file reads, and command execution. Exploitation can occur when an attacker has access to post to the ImportSQLTable URI with a JSON document containing a connection_url property with any typical JDBC Connection URL attack payload such as one that uses queryInterceptors.

Advisory Timeline

  • First published September 6, 2024 (766 days ago).
  • Last revised June 29, 2026 — 661 days after initial publication.

Affected Packages (2)

Affects 2 ecosystems: maven (1), pypi (1).

PackageEcosystemAffectedFixed In
ai.h2o:h2o-core
maven
0.1.10, 0.1.11, 0.1.12, 0.1.13 (+249 more)Range-based data available
h2o
pypi
3.10.0.10, 3.10.0.3, 3.10.0.6, 3.10.0.7 (+114 more)Range-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-502
    Deserialization of Untrusted DataMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Frequently Asked Questions

What is CVE-2024-45758?
H2O.ai H2O vulnerable to deserialization attacks via a JDBC Connection URL This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.1/10).
How do I check if my project is affected by CVE-2024-45758?
CVE-2024-45758 affects ai.h2o:h2o-core and h2o. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2024-45758 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.1

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-hrmc-jmp7-mpm2
PYSEC-2026-352

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