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CVE-2023-37903— Sandbox Escape in vm2

Quick assessment

Affected
patriksimek vm2
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

vm2是捷克Patrik Simek个人开发者的一个 Node.js 的高级虚拟机/沙盒。以使用列入白名单的 Node 内置模块运行不受信任的代码。 vm2 3.9.19及之前版本存在操作系统命令注入漏洞，该漏洞源于自定义检查功能允许攻击者逃离沙箱并运行任意代码，这可能会导致远程执行代码。

CVSS 9.8 · Critical EPSS 4.21% · P91

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2023-37903

Vulnerability Information
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Vulnerability Title
Sandbox Escape in vm2
Source: CVE Program / CVE List V5
Vulnerability Description
vm2 is an open source vm/sandbox for Node.js. In vm2 for versions up to and including 3.9.19, Node.js custom inspect function allows attackers to escape the sandbox and run arbitrary code. This may result in Remote Code Execution, assuming the attacker has arbitrary code execution primitive inside the context of vm2 sandbox. There are no patches and no known workarounds. Users are advised to find an alternative software.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
vm2 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
vm2是捷克Patrik Simek个人开发者的一个 Node.js 的高级虚拟机/沙盒。以使用列入白名单的 Node 内置模块运行不受信任的代码。 vm2 3.9.19及之前版本存在操作系统命令注入漏洞，该漏洞源于自定义检查功能允许攻击者逃离沙箱并运行任意代码，这可能会导致远程执行代码。
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
patriksimek vm2 <= 3.9.19 -

II. Public POCs for CVE-2023-37903

# POC Description Source Link Shenlong Link
1 Exploit for CVE-2023-37903 https://github.com/7h3h4ckv157/CVE-2023-37903 POC Details
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7267 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2023-37903

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Vendor Advisories for CVE-2023-37903 (2)

IV. Related Vulnerabilities

Same product: vm2
Same vendor: patriksimek
Same weakness: CWE-78

V. Comments for CVE-2023-37903

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