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CVE-2020-15593

Estado: ModificadaAlta (7.8)—

SteelCentral Aternity Agent 11.0.0.120 on Windows mishandles IPC. It uses an executable running as a high privileged Windows service to perform administrative tasks and collect data from other processes. It distributes functionality among different processes and uses IPC (Inter-Process Communication) primitives to enable the processes to cooperate. Any user in the system is allowed to access the interprocess communication channel AternityAgentAssistantIpc, retrieve a serialized object and call object methods remotely.

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Among others, the methods allow any user to: (1) Create and/or overwrite arbitrary XML files across the system; (2) Create arbitrary directories across the system; and (3) Load arbitrary plugins (i.e., C# assemblies) from the "%PROGRAMFILES(X86)/Aternity Information Systems/Assistant/plugins” directory and execute code contained in them.

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)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-15593",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
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    "cvssMetricV31": [
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          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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  "affected": [
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          "versions": [
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  "published": "2020-07-27T14:15:12.460",
  "references": [
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      "url": "https://aternity.force.com/customersuccess/s/article/Recorder-tool-security-notification-mitigation-steps-for-On-Prem",
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    {
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  "vulnStatus": "Modified",
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      "description": [
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      "lang": "en",
      "value": "SteelCentral Aternity Agent 11.0.0.120 on Windows mishandles IPC. It uses an executable running as a high privileged Windows service to perform administrative tasks and collect data from other processes. It distributes functionality among different processes and uses IPC (Inter-Process Communication) primitives to enable the processes to cooperate. Any user in the system is allowed to access the interprocess communication channel AternityAgentAssistantIpc, retrieve a serialized object and call object methods remotely. Among others, the methods allow any user to: (1) Create and/or overwrite arbitrary XML files across the system; (2) Create arbitrary directories across the system; and (3) Load arbitrary plugins (i.e., C# assemblies) from the \"%PROGRAMFILES(X86)/Aternity Information Systems/Assistant/plugins” directory and execute code contained in them."
    },
    {
      "lang": "es",
      "value": "SteelCentral Aternity Agent versiones 11.0.0.120, en Windows maneja inapropiadamente IPC. Utiliza un ejecutable que se ejecuta como un servicio de Windows muy privilegiado para llevar a cabo tareas administrativas y recopilar datos de otros procesos. Distribuye la funcionalidad entre diferentes procesos y utiliza primitivas IPC (Inter-Process Communication) para permitir a los procesos cooperar. Cualquier usuario en el sistema puede acceder al canal de comunicación entre procesos AternityAgentAssistantIpc, recuperar un objeto serializado y llamar a métodos de objetos remotamente. Entre otros, los métodos permiten a cualquier usuario: (1) Crear y/o sobrescribir archivos XML arbitrarios en todo el sistema; (2) Crear directorios arbitrarios en todo el sistema; y (3) Cargar plugins arbitrarios (es decir, ensamblajes de C #) desde el directorio \"%PROGRAMFILES(X86)/Aternity Information Systems/Assistant/plugins” y ejecutar el código contenido en ellos"
    }
  ],
  "lastModified": "2026-06-17T02:56:52.673",
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  "sourceIdentifier": "cve@mitre.org"
}