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CVE-2021-47816

Estado: AplazadaMedia (5.3)—

Thecus N4800Eco NAS Server Control Panel contains a command injection vulnerability that allows authenticated attackers to execute arbitrary system commands through user management endpoints. Attackers can inject commands via username and batch user creation parameters to execute shell commands with administrative 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)

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

Thecus — N4800ecoAI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-47816",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2021-47816",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-01-16T20:42:10.325101Z"
        }
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    "cvssMetricV31": [
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          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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        "impactScore": 5.9,
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      }
    ],
    "cvssMetricV40": [
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        "type": "Secondary",
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        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
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          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
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          "vulnAvailabilityImpact": "LOW",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
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          "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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  "affected": [
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      "source": "disclosure@vulncheck.com",
      "affectedData": [
        {
          "vendor": "Thecus",
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              "version": "N4800Eco"
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  "published": "2026-01-16T19:16:06.197",
  "references": [
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      "url": "http://www.thecus.com/",
      "source": "disclosure@vulncheck.com"
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    {
      "url": "http://www.thecus.com/product.php?PROD_ID=83",
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      "url": "https://docs.unsafe-inline.com/0day/thecus-n4800eco-nas-server-control-panel-comand-injection",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://www.exploit-db.com/exploits/49926",
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://www.vulncheck.com/advisories/thecus-neco-nas-server-control-panel-command-injection",
      "source": "disclosure@vulncheck.com"
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  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
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    {
      "lang": "en",
      "value": "Thecus N4800Eco NAS Server Control Panel contains a command injection vulnerability that allows authenticated attackers to execute arbitrary system commands through user management endpoints. Attackers can inject commands via username and batch user creation parameters to execute shell commands with administrative privileges."
    },
    {
      "lang": "es",
      "value": "El Panel de Control del Servidor NAS Thecus N4800Eco contiene una vulnerabilidad de inyección de comandos que permite a atacantes autenticados ejecutar comandos de sistema arbitrarios a través de puntos finales de gestión de usuarios. Los atacantes pueden inyectar comandos a través de los parámetros de nombre de usuario y creación de usuarios por lotes para ejecutar comandos de shell con privilegios administrativos."
    }
  ],
  "lastModified": "2026-06-17T04:18:32.947",
  "sourceIdentifier": "disclosure@vulncheck.com"
}