CVE-2024-6854
Arbitrary File Overwrite in h2oai/h2o-3
In h2oai/h2o-3 version 3.46.0, the endpoint for exporting models does not restrict the export location, allowing an attacker to export a model to any file in the server's file structure, thereby overwriting it. This vulnerability can be exploited to overwrite any file on the target server with a trained model file, although the content of the overwrite is not controllable by the attacker.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Arbitrary File Overwrite in h2oai/h2o-3
In h2oai/h2o-3 version 3.46.0, the endpoint for exporting models does not restrict the export location, allowing an attacker to export a model to any file in the server's file structure, thereby overwriting it. This vulnerability can be exploited to overwrite any file on the target server with a trained model file, although the content of the overwrite is not controllable by the attacker.
- Record
CVE-2024-6854- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H - Weakness
- CWE-36
- Updated
- 2026-11-02
EUVDEUVD-2025-6978
In h2oai/h2o-3 version 3.46.0, the endpoint for exporting models does not restrict the export location, allowing an attacker to export a model to any file in the server's file structure, thereby overwriting it. This vulnerability can be exploited to overwrite any file on the target server with a trained model file, although the content of the overwrite is not controllable by the attacker.
- Record
EUVD-2025-6978- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-47f6-5p7h-5f3h
H2O Vulnerable to Arbitrary File Overwrite via File Export
In h2oai/h2o-3 version 3.46.0, the endpoint for exporting models does not restrict the export location, allowing an attacker to export a model to any file in the server's file structure, thereby overwriting it. This vulnerability can be exploited to overwrite any file on the target server with a trained model file, although the content of the overwrite is not controllable by the attacker.
- Record
GHSA-47f6-5p7h-5f3h- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H - Weakness
- CWE-36
- Updated
- 2026-11-02
NVD
In h2oai/h2o-3 version 3.46.0, the endpoint for exporting models does not restrict the export location, allowing an attacker to export a model to any file in the server's file structure, thereby overwriting it. This vulnerability can be exploited to overwrite any file on the target server with a trained model file, although the content of the overwrite is not controllable by the attacker.
- Record
CVE-2024-6854- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H - Weakness
- CWE-36
- Updated
- 2026-11-02
OSVGHSA-47f6-5p7h-5f3h
H2O Vulnerable to Arbitrary File Overwrite via File Export
In h2oai/h2o-3 version 3.46.0, the endpoint for exporting models does not restrict the export location, allowing an attacker to export a model to any file in the server's file structure, thereby overwriting it. This vulnerability can be exploited to overwrite any file on the target server with a trained model file, although the content of the overwrite is not controllable by the attacker.
- Record
GHSA-47f6-5p7h-5f3h- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H - Weakness
- CWE-36
- Updated
- 2026-11-02
OSVPYSEC-2026-1436
H2O Vulnerable to Arbitrary File Overwrite via File Export
In h2oai/h2o-3 version 3.46.0, the endpoint for exporting models does not restrict the export location, allowing an attacker to export a model to any file in the server's file structure, thereby overwriting it. This vulnerability can be exploited to overwrite any file on the target server with a trained model file, although the content of the overwrite is not controllable by the attacker.
- Record
PYSEC-2026-1436- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
h2oPyPI |
3.32.1.1 to 3.46.0 | None known |
ai.h2o:h2o-coreMaven |
3.32.1.1 to 3.46.0 | None known |
h2oPyPI |
3.32.1.1 to 3.46.0, plus listed versions 3.32.1.23.32.1.33.32.1.43.32.1.53.32.1.6 Show 27 moreShow less3.32.1.73.34.0.33.34.0.73.34.0.83.36.0.23.36.0.33.36.0.43.36.1.13.36.1.23.36.1.33.36.1.43.36.1.53.38.0.13.38.0.23.38.0.33.38.0.43.40.0.13.40.0.23.40.0.33.40.0.43.42.0.13.42.0.23.42.0.33.42.0.43.44.0.13.44.0.23.44.0.3 |
None known |
ai.h2o:h2o-coreMaven |
3.32.1.1 to 3.46.0, plus listed versions 3.32.1.23.32.1.33.32.1.43.32.1.53.32.1.6 Show 33 moreShow less3.32.1.73.34.0.13.34.0.33.34.0.43.34.0.53.34.0.63.34.0.73.34.0.83.35.0.23.36.0.13.36.0.23.36.0.33.36.0.43.36.1.13.36.1.23.36.1.33.36.1.43.36.1.53.38.0.13.38.0.23.38.0.33.38.0.43.40.0.13.40.0.23.40.0.33.40.0.43.42.0.13.42.0.23.42.0.33.42.0.43.44.0.13.44.0.23.44.0.3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-6854 is a high vulnerability (CVSS 7.1) in H2o, published March 20, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.78%, the 56th percentile. No source names a fixed version.