Deserialization in H2o
CVE-2025-10768
A flaw has been found in h2oai h2o-3 up to 3.46.08. The impacted element is an unknown function of the file /99/ImportSQLTable of the component IBMDB2 JDBC Driver. This manipulation of the argument connection_url causes deserialization. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (34.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- H2o
- H2oai H2o-3 — versions 3.46.08
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/ez-lbz/poc/issues/50 (issue-tracking, exploit, Broken Link)
- github.com/ez-lbz/poc/issues/50 (issue-tracking, exploit, Broken Link)
Frequently asked questions
- What is CVE-2025-10768?
- CVE-2025-10768 is a medium-severity vulnerability in H2o, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2025-09-21.
- How severe is CVE-2025-10768?
- Medium severity. CVSS v3 base score is 6.3 out of 10.