« Volver al listado

CVE-2026-67271

Estado: Pendiente de análisisCrítica (9.8)—

Dell PowerStore SDNAS, contains an Out-of-bounds Write vulnerability in SMB/CIFS. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to denial of service and remote execution. This is a Critical vulnerability as a remote user could send a specially crafted SMB packet and cause a crash, that is persistent in case automatic restarts are enabled. Additionally, a more sophisticated attacker could use the same vulnerability for remote code execution.

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.

AV:N/PR:N/UI:N indica explotación remota sin privilegios (T1190). El texto describe ejecución remota de código y DoS persistente por crash en SMB/CIFS, sustentado por CWE-787 (desbordamiento de búfer).

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

Tecnologías afectadas (1)

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

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-67271",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-67271",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-18T00:00:00+00:00"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security_alert@emc.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security_alert@emc.com",
      "affectedData": [
        {
          "vendor": "Dell",
          "product": "PowerStore 500T",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.0.2-2761110 or later",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Dell",
          "product": "PowerStore 1000T",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.0.2-2761110 or later",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Dell",
          "product": "PowerStore 1200T",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.0.2-2761110 or later",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Dell",
          "product": "PowerStore 3000T",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.0.2-2761110 or later",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Dell",
          "product": "PowerStore 3200Q",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.0.2-2761110 or later",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Dell",
          "product": "PowerStore 3200T",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.0.2-2761110 or later",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Dell",
          "product": "PowerStore 5000T",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.0.2-2761110 or later",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Dell",
          "product": "PowerStore 5200Q",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.0.2-2761110 or later",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Dell",
          "product": "PowerStore 5200T",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.0.2-2761110 or later",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Dell",
          "product": "PowerStore 7000T",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.0.2-2761110 or later",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Dell",
          "product": "PowerStore 9000T",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.0.2-2761110 or later",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Dell",
          "product": "PowerStore 9200T",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.0.2-2761110 or later",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-08-18T17:17:00.973",
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000497829/dsa-2026-330-dell-powerstore-t-security-update-for-multiple-vulnerabilities",
      "source": "security_alert@emc.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security_alert@emc.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell PowerStore SDNAS, contains an Out-of-bounds Write vulnerability in SMB/CIFS. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to denial of service and remote execution. This is a Critical vulnerability as a remote user could send a specially crafted SMB packet and cause a crash, that is persistent in case automatic restarts are enabled. Additionally, a more sophisticated attacker could use the same vulnerability for remote code execution."
    }
  ],
  "lastModified": "2026-08-31T07:17:44.937",
  "sourceIdentifier": "security_alert@emc.com"
}