CVE-2024-1456
S3 Bucket Takeover in h2oai/h2o-3
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
S3 Bucket Takeover in h2oai/h2o-3
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.
- Record
CVE-2024-1456- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-840
- Updated
- 2026-11-02
EUVDEUVD-2024-17207
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.
- Record
EUVD-2024-17207- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9vwm-6vm6-ffwv
An S3 bucket takeover vulnerability was identified in the h2oai/h2o-3 repository. The issue...
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.
- Record
GHSA-9vwm-6vm6-ffwv- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-1456- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-840
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-1456 is a high vulnerability (CVSS 7.1) in H2o, published April 16, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. No source names a fixed version.