Cyber Resilience

CVE-2024-1456

H2O 3.45.0.6386

Public PoC
Published
16 April 2024
Modified
28 July 2025
CVSS Score v3 7.1
Click a component to see what it means
Raw vectorCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS Score 0.0024 16th percentile
Risk Priority 51 floored blend · peak EPSS

Summary

CVE-2024-1456 is a high-severity an unspecified weakness vulnerability in H2O H2O. Its CVSS base score is 7.1 (High).

Operationally, ranked at the 16th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

This vulnerability is AI-related — categorised as Other AI Platforms; in the Data-Related Vulnerabilities risk domain.

EU & UK References

Vulnerability Data

An S3 bucket takeover vulnerability was identified in the h2oai/h2o-3 repository. The issue involves the S3 bucket 'http://s3.amazonaws.com/h2o-training', which was found to be vulnerable to unauthorized takeover.

CWE(s)
CWE-840

AI Security AnalysisAI

AI Category
Other AI Platforms
Risk Domain
Data-Related Vulnerabilities
OWASP Top 10 for LLMs 2025
None mapped
Classification Reason
H2O-3 is an open-source machine learning platform by H2O.ai, fitting under 'Other Platforms' as it provides distributed ML capabilities including AutoML and deep learning support. The vulnerability involves an S3 bucket ('h2o-training') associated with the repository, reported on an AI/ML bug bounty platform.

Related Threats

CVEs Like This One

CVE-2023-6017Same product: H2O H2O
CVE-2024-5550Same product: H2O H2O
CVE-2024-5979Same product: H2O H2O
CVE-2024-45758Same product: H2O H2O
CVE-2023-6016Same product: H2O H2O
CVE-2024-6863Same product: H2O H2O
CVE-2026-8751Same product: H2O H2O
CVE-2026-8750Same product: H2O H2O
CVE-2024-10549Same product: H2O H2O
CVE-2025-10768Same product: H2O H2O

Affected Assets

h2o
h2o
3.45.0.6386

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References