What’s Vulnerable › Vulnerabilities

CVE-2024-10553: Jdbc Deserialization in h2oai/h2o-3

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-03-20 · updated 2026-06-17
• Weakness: CWE-502

Description

A vulnerability in the h2oai/h2o-3 REST API versions 3.46.0.4 allows unauthenticated remote attackers to execute arbitrary code via deserialization of untrusted data. The vulnerability exists in the endpoints POST /99/ImportSQLTable and POST /3/SaveToHiveTable, where user-controlled JDBC URLs are passed to DriverManager.getConnection, leading to deserialization if a MySQL or PostgreSQL driver is available in the classpath. This issue is fixed in version 3.47.0.

Affected products

• h2oai/h2o-3: 3.46.0.4

References

• https://github.com/h2oai/h2o-3/commit/ac1d642b4d86f10a02d75974055baf2a4b2025ac
• https://huntr.com/bounties/e6f550dd-eda2-428c-a740-ed8f893a084b

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