CVE-2024-1456
CVE-2024-1456 is a high-severity vulnerability in H2o with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-840.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- EPSS exploit prediction: 0% (15th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-17207
- Weakness: CWE-840
- Affected product: H2o
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2024-1456?
- 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.
- How severe is CVE-2024-1456?
- CVE-2024-1456 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2024-1456 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-1456?
- CVE-2024-1456 affects H2o. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-1456?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-1456 have an EU (EUVD) identifier?
- Yes. CVE-2024-1456 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17207.
- When was CVE-2024-1456 published?
- CVE-2024-1456 was published on 2024-04-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:h2o:h2o:3.45.0.6386:*:*:*:*:*:*:*
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