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CVE-2009-20005

Estado: AplazadaCrítica (9.3)—

A stack-based buffer overflow exists in the UtilConfigHome.csp endpoint of InterSystems Caché 2009.1. The vulnerability is triggered by sending a specially crafted HTTP GET request containing an oversized argument to the .csp handler. Due to insufficient bounds checking, the input overflows a stack buffer, allowing an attacker to overwrite control structures and execute arbitrary code. It is unknown if this vulnerability was patched and an affected version range remains undefined.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Buffer overflow en endpoint HTTP de InterSystems Caché accesible remotamente sin autenticación (AV:N/PR:N/UI:N); permite ejecución de código arbitrario tras sobrescribir estructuras de control en memoria.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account ManagementVulnerability ScanningRestrict Web-Based ContentNetwork SegmentationLimit Software InstallationLimit Access to Resource Over Network

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Intersystems — CacheAI

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2009-20005",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2009-20005",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
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            {
              "automatable": "yes"
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            {
              "technicalImpact": "total"
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    "cvssMetricV40": [
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        "cvssData": {
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          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 9.3,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
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          "privilegesRequired": "NONE",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
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          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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      "affectedData": [
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          "vendor": "InterSystems Corporation",
          "modules": [
            "/csp/sys/mgr/UtilConfigHome.csp"
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          "versions": [
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              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "2009.1"
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  "published": "2025-09-16T15:15:41.780",
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      "url": "https://www.intersystems.com/products/cache/",
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      "url": "https://www.juniper.net/us/en/threatlabs/ips-signatures/detail.APP:INTERSYSTEMS-CACHE-OF.html",
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  "vulnStatus": "Deferred",
  "weaknesses": [
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      "source": "disclosure@vulncheck.com",
      "description": [
        {
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          "value": "CWE-121"
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  ],
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    {
      "lang": "en",
      "value": "A stack-based buffer overflow exists in the UtilConfigHome.csp endpoint of InterSystems Caché 2009.1. The vulnerability is triggered by sending a specially crafted HTTP GET request containing an oversized argument to the .csp handler. Due to insufficient bounds checking, the input overflows a stack buffer, allowing an attacker to overwrite control structures and execute arbitrary code. It is unknown if this vulnerability was patched and an affected version range remains undefined."
    },
    {
      "lang": "es",
      "value": "Un desbordamiento de búfer basado en pila existe en el endpoint UtilConfigHome.csp de InterSystems Caché 2009.1. La vulnerabilidad se activa al enviar una solicitud HTTP GET especialmente diseñada que contiene un argumento de tamaño excesivo al gestor .csp. Debido a una comprobación de límites insuficiente, la entrada desborda un búfer de pila, permitiendo a un atacante sobrescribir estructuras de control y ejecutar código arbitrario. Se desconoce si esta vulnerabilidad fue parcheada y un rango de versiones afectadas permanece indefinido."
    }
  ],
  "lastModified": "2026-10-01T23:10:00.233",
  "sourceIdentifier": "disclosure@vulncheck.com"
}