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CVE-2026-97334

Estado: RecibidaAlta (8.7)—

La capa de mensajería de red contenía un tratamiento incorrecto de datos muy comprimidos que afecta a la disponibilidad del servicio. Los clientes de software deben actualizar a la versión de mantenimiento que corrige el problema. Actualice todas las instalaciones de Commvault, incluidos el servidor CommServe, el servidor web, Command Center, los MediaAgents, los clientes y HyperScale.

Traducción automática del texto original de NVD (en inglés).

CVSS

Probabilidad de explotación (EPSS)

FIRST aún no ha puntuado esta CVE (habitual en CVEs muy recientes o rechazadas).

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.

Vector AV:N/PR:N/UI:N (red sin privilegios ni interacción) implica T1190; CWE-409 y 'afecta la disponibilidad del servicio' sustentan DoS (T1499).

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

Filter Network TrafficVulnerability ScanningPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkApplication Isolation and Sandboxing

Tecnologías afectadas (1)

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

Commvault — Commvault PlatformAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-97334",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-97334",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-13T14:40:07.536505Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "050066fd-a2f9-4f32-ab5d-4c53f48bc333",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 8.7,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "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"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "050066fd-a2f9-4f32-ab5d-4c53f48bc333",
      "affectedData": [
        {
          "vendor": "Commvault",
          "product": "Commvault Cloud",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "11.46.30",
                  "status": "unaffected"
                }
              ],
              "version": "11.46.0",
              "versionType": "custom",
              "lessThanOrEqual": "11.46.29"
            },
            {
              "status": "affected",
              "changes": [
                {
                  "at": "11.44.25",
                  "status": "unaffected"
                }
              ],
              "version": "11.44.0",
              "versionType": "custom",
              "lessThanOrEqual": "11.44.24"
            },
            {
              "status": "affected",
              "changes": [
                {
                  "at": "11.40.78",
                  "status": "unaffected"
                }
              ],
              "version": "11.40.0",
              "versionType": "custom",
              "lessThanOrEqual": "11.40.77"
            },
            {
              "status": "affected",
              "changes": [
                {
                  "at": "11.36.127",
                  "status": "unaffected"
                }
              ],
              "version": "11.36.0",
              "versionType": "custom",
              "lessThanOrEqual": "11.36.126"
            }
          ],
          "platforms": [
            "Windows",
            "Linux"
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2026-10-13T15:17:52.300",
  "references": [
    {
      "url": "https://documentation.commvault.com/securityadvisories/CV_2026_10_3.html",
      "source": "050066fd-a2f9-4f32-ab5d-4c53f48bc333"
    }
  ],
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-409"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The network messaging layer contained improper handling of highly compressed data affecting service availability.  Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe server, Web Server, Command Center, MediaAgents, clients, and HyperScale."
    }
  ],
  "lastModified": "2026-10-13T15:17:52.300",
  "sourceIdentifier": "050066fd-a2f9-4f32-ab5d-4c53f48bc333"
}