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CVE-2025-6507— Deserialization of Untrusted Data in h2oai/h2o-3

Quick assessment

Affected
h2oai h2oai/h2o-3
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

H2O是H2O.ai开源的一个用于分布式、可扩展机器学习的内存平台。 H2O 3.47.0.99999版本存在代码问题漏洞，该漏洞源于反序列化问题，可能导致任意代码执行和系统文件读取。

AI Predicted 9.8 Difficulty: Easy EPSS 14.38% · P97
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I. Basic Information for CVE-2025-6507

Vulnerability Information
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Vulnerability Title
Deserialization of Untrusted Data in h2oai/h2o-3
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the h2oai/h2o-3 repository allows attackers to exploit deserialization of untrusted data, potentially leading to arbitrary code execution and reading of system files. This issue affects the latest master branch version 3.47.0.99999. The vulnerability arises from the ability to bypass regular expression filters intended to prevent malicious parameter injection in JDBC connections. Attackers can manipulate spaces between parameters to evade detection, allowing for unauthorized file access and code execution. The vulnerability is addressed in version 3.46.0.8.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
H2O 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
H2O是H2O.ai开源的一个用于分布式、可扩展机器学习的内存平台。 H2O 3.47.0.99999版本存在代码问题漏洞，该漏洞源于反序列化问题，可能导致任意代码执行和系统文件读取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
h2oai h2oai/h2o-3 unspecified ~ 3.46.0.8 -

II. Public POCs for CVE-2025-6507

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III. Intelligence Information for CVE-2025-6507

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Patches & Fixes for CVE-2025-6507 (1)

Vendor Advisories for CVE-2025-6507 (1)

IV. Related Vulnerabilities

Same product: h2oai/h2o-3
Same vendor: h2oai
Same weakness: CWE-502

V. Comments for CVE-2025-6507

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