CVE-2024-6863— Encryption of Arbitrary Files with Attacker-Controlled Key in h2oai/h2o-3
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I. Basic Information for CVE-2024-6863
Vulnerability Information
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Vulnerability Title
Encryption of Arbitrary Files with Attacker-Controlled Key in h2oai/h2o-3
Source: NVD (National Vulnerability Database)
Vulnerability Description
In h2oai/h2o-3 version 3.46.0, an endpoint exposing a custom EncryptionTool allows an attacker to encrypt any files on the target server with a key of their choosing. The chosen key can also be overwritten, resulting in ransomware-like behavior. This vulnerability makes it possible for an attacker to encrypt arbitrary files with keys of their choice, making it exceedingly difficult for the target to recover the keys needed for decryption.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
暴露危险的方法或函数
Source: NVD (National Vulnerability Database)
Vulnerability Title
H2O 安全漏洞
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 3.46.0版本存在安全漏洞，该漏洞源于自定义加密工具端点未限制加密文件，可能导致勒索软件行为。
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 ~ latest | - |
II. Public POCs for CVE-2024-6863
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · h2oai · 2025-03-20 · 10 CVEs total
| CVE-2024-6854 | Arbitrary File Overwrite in h2oai/h2o-3 | |
| CVE-2024-7765 | Denial of Service in h2oai/h2o-3 | |
| CVE-2024-7768 | Denial of Service in h2oai/h2o-3 | |
| CVE-2024-8616 | Arbitrary File Overwrite in h2oai/h2o-3 | |
| CVE-2024-8062 | Denial of Service in h2oai/h2o-3 | |
| CVE-2024-10549 | Denial of Service by ReDOS in h2oai/h2o-3 | |
| CVE-2024-10553 | Jdbc Deserialization in h2oai/h2o-3 | |
| CVE-2024-10550 | Denial of Service by ReDOS in h2oai/h2o-3 | |
| CVE-2024-10572 | Denial of Service and Arbitrary File Write in h2oai/h2o-3 |
IV. Related Vulnerabilities
Same product: h2oai/h2o-3
Same vendor: h2oai
- CVE-2026-3960
Remote Code Execution in h2oai/h2o-3 - CVE-2024-5986
Remote Arbitrary File Write with Arbitrary Data in h2oai/h2o - CVE-2025-10769
h2oai h2o-3 H2 JDBC Driver ImportSQLTable deserialization - CVE-2025-10768
h2oai h2o-3 IBMDB2 JDBC Driver ImportSQLTable deserializatio - CVE-2025-6544
Deserialization Vulnerability in h2oai/h2o-3
Same weakness: CWE-749
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Exposed dangerous function in windows host - CVE-2026-5173
Exposed Dangerous Method or Function in GitLab - CVE-2026-35488
Tandoor Recipes — CustomIsShared permits DELETE/PUT on Recip - CVE-2026-30957
OneUptime Synthetic Monitor RCE via exposed Playwright brows - CVE-2026-3483
Ivanti Desktop and Server Management 安全漏洞
V. Comments for CVE-2024-6863
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