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CVE-2025-63603

Estado: AnalizadaMedia (6.5)—

A command injection vulnerability exists in the MCP Data Science Server's (reading-plus-ai/mcp-server-data-exploration) 0.1.6 in the safe_eval() function (src/mcp_server_ds/server.py:108). The function uses Python's exec() to execute user-supplied scripts but fails to restrict the __builtins__ dictionary in the globals parameter. When __builtins__ is not explicitly defined, Python automatically provides access to all built-in functions including __import__, exec, eval, and open. This allows an attacker to execute arbitrary Python code with full system privileges, leading to complete system compromise. The vulnerability can be exploited by submitting a malicious script to the run_script tool, requiring no authentication or special privileges.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

MCP Server FOR Data Exploration Project — MCP Server FOR Data Exploration

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2025-63603",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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          "role": "CISA Coordinator",
          "options": [
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            },
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          "version": "2.0.3",
          "timestamp": "2025-11-18T17:04:40.785299Z"
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
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        "exploitabilityScore": 3.9
      }
    ]
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  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
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          "product": "n/a",
          "versions": [
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              "version": "n/a"
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  "published": "2025-11-18T16:15:45.833",
  "references": [
    {
      "url": "https://github.com/reading-plus-ai/mcp-server-data-exploration/issues/12",
      "tags": [
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        "Issue Tracking",
        "Third Party Advisory"
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    }
  ],
  "lastModified": "2026-06-17T09:53:16.980",
  "configurations": [
    {
      "nodes": [
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          "cpeMatch": [
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