High severity · published Apr 16, 2024
CVE-2024-1456
S3 Bucket Takeover in h2oai/h2o-3
7.1
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
H2
h2oai/h2o-3 · h2oai
through latest · source: vendor
H2
H2o · H2o
3.45.0.6386 · source: NVD
H2
H2o-3 · H2oai
6386 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-1456
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-1456
Exploit
https://huntr.com/bounties/7c1b7f27-52f3-4b4b-9d81-e277f5e0ab6b
More from h2oai/h2o-3
9.8
CVE-2026-3960
Remote Code Execution in h2oai/h2o-3
9.8
CVE-2025-6544
Deserialization Vulnerability in h2oai/h2o-3
9.8
CVE-2025-5662
Deserialization Vulnerability in h2oai/h2o-3
9.8
CVE-2025-6507
Deserialization of Untrusted Data in h2oai/h2o-3
9.8
CVE-2024-10553
Jdbc Deserialization in h2oai/h2o-3