CVE-2025-36606

Estado: AnalizadaAlta (7.8)—

Dell Unity, version(s) 5.5 and prior, contain(s) an OS Command Injection Vulnerability in its svc_nfssupport utility. An authenticated attacker could potentially exploit this vulnerability, escaping the restricted shell and execute arbitrary operating system commands with root privileges.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 7.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.46%
Percentil entre todas las CVEs puntuadas: 38
Fecha de la puntuación: 5/10/2026

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.

ExplotaciónT1068 Exploitation for Privilege Escalationprivilege escalation95 %
Impacto principalT1059 Command and Scripting Interpreterexecution90 %

AV:L + PR:L + UI:N indica escalada de privilegios local autenticada. CWE-78 (command injection) en utilidad svc_nfssupport permite ejecución de comandos OS arbitrarios con privilegios root tras escapar shell restringido.

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

Execution Prevention Threat Intelligence Program Restrict Web-Based Content Privileged Account Management Limit Software Installation Behavior Prevention on Endpoint

Tecnologías afectadas (1)

Dell — Unity Operating Environment

CWE

CWE-78

Referencias

https://www.dell.com/support/kbdoc/en-si/000350756/dsa-2025-281-security-update-for-dell-unity-dell-unityvsa-and-dell-unity-xt-security-update-for-multiple-vulnerabilities

JSON original (NVD)

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{
  "id": "CVE-2025-36606",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-36606",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-08-06T03:55:23.514634Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "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"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security_alert@emc.com",
      "affectedData": [
        {
          "vendor": "Dell",
          "product": "Unity",
          "versions": [
            {
              "status": "affected",
              "version": "N/A",
              "lessThan": "5.5.1",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-08-04T14:15:32.850",
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/en-si/000350756/dsa-2025-281-security-update-for-dell-unity-dell-unityvsa-and-dell-unity-xt-security-update-for-multiple-vulnerabilities",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security_alert@emc.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security_alert@emc.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell Unity, version(s) 5.5 and prior, contain(s) an OS Command Injection Vulnerability in its svc_nfssupport utility. An authenticated attacker could potentially exploit this vulnerability, escaping the restricted shell and execute arbitrary operating system commands with root privileges."
    },
    {
      "lang": "es",
      "value": "Dell Unity, versión 5.5 y anteriores, presenta una vulnerabilidad de inyección de comandos del sistema operativo en su utilidad svc_nfssupport. Un atacante autenticado podría explotar esta vulnerabilidad, eludiendo el shell restringido y ejecutando comandos arbitrarios del sistema operativo con privilegios de root."
    }
  ],
  "lastModified": "2026-06-17T09:14:51.443",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:dell:unity_operating_environment:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1C908C3A-7827-4AD2-9FCB-EAB754928E10",
              "versionEndExcluding": "5.5.1.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security_alert@emc.com"
}