CVE-2026-33359

Estado: AplazadaAlta (7.5)—

In Meari IoT Cloud alert image storage on Alibaba OSS (latest observed; storage service version not disclosed), motion snapshots are retrievable without authentication, signed URLs, or expiry enforcement. URLs function as direct object references and remain valid beyond expected operational windows.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.50%
Percentil entre todas las CVEs puntuadas: 41
Fecha de la puntuación: 6/10/2026

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.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access85 %
Impacto principalT1005 Data from Local Systemcollection90 %

Acceso directo a URLs públicas de imágenes sin autenticación (CWE-862, AV:N/PR:N/UI:N) permite lectura de datos sensibles de alertas IoT en almacenamiento expuesto.

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

Vulnerability Scanning Privileged Account Management Network Segmentation Limit Access to Resource Over Network Filter Network Traffic Application Isolation and Sandboxing

Tecnologías afectadas (2)

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

Alibaba — OSS^AI Meari — IOT Cloud^AI

CWE

CWE-862

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2026-33359",
  "cveTags": [
    {
      "tags": [
        "exclusively-hosted-service"
      ],
      "sourceIdentifier": "44488dab-36db-4358-99f9-bc116477f914"
    }
  ],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-33359",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-11T18:17:55.620113Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "44488dab-36db-4358-99f9-bc116477f914",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "44488dab-36db-4358-99f9-bc116477f914",
      "affectedData": [
        {
          "vendor": "Meari",
          "product": "Alibaba OSS Hosted",
          "versions": [
            {
              "status": "affected",
              "version": "April, 2026",
              "versionType": "date"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-05-11T17:16:30.843",
  "references": [
    {
      "url": "https://github.com/xn0tsa/nobody-puts-baby-in-a-corner",
      "source": "44488dab-36db-4358-99f9-bc116477f914"
    },
    {
      "url": "https://www.runzero.com/advisories/meari-unauthenticated-alert-image-access-in-cloud-object-storage-cve-2026-33359/",
      "source": "44488dab-36db-4358-99f9-bc116477f914"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "44488dab-36db-4358-99f9-bc116477f914",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Meari IoT Cloud alert image storage on Alibaba OSS (latest observed; storage service version not disclosed), motion snapshots are retrievable without authentication, signed URLs, or expiry enforcement. URLs function as direct object references and remain valid beyond expected operational windows."
    }
  ],
  "lastModified": "2026-06-17T10:37:22.477",
  "sourceIdentifier": "44488dab-36db-4358-99f9-bc116477f914"
}