CVE-2024-1456

HIGHNVD 7.17.1—

7.1

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.

CVSS v3: 7.1
EG Score: 7.1(medium)
EPSS: 45.1%
KEV: Not listed

Published

April 16, 2024

Last Modified

July 28, 2025

References (2)

security@huntrhttps://huntr.com/bounties/7c1b7f27-52f3-4b4b-9d81-e277f5e0ab6b
af854a3a-2127-422b-91ae-364da2661108https://huntr.com/bounties/7c1b7f27-52f3-4b4b-9d81-e277f5e0ab6b

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-840

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 04:29 UTCEG score recompute
2026-05-24 04:29 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2024-1456?

CVE-2024-1456 is a high vulnerability published on April 16, 2024. 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.

When was CVE-2024-1456 disclosed?

CVE-2024-1456 was first published in the National Vulnerability Database on April 16, 2024, with the most recent update on July 28, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-1456 actively exploited?

CVE-2024-1456 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-1456?

CVE-2024-1456 has a CVSS v3 base score of 7.1 (NVD).

How do I remediate CVE-2024-1456?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-1456, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-1456

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CVE-2024-1456

📅 Published

🔄 Last Modified

🔗 References (2)