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CVE-2026-7876

Estado: ModificadaCrítica (9.1)—

IBM Aspera HSTS for CP4I 1.5.1 through 1.5.19 is affected by an authentication bypass vulnerability. A transfer client may be able to take advantage of this vulnerability to access files in the server's local storage that they should not have access to, when specific restriction settings are not in place.

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.

Acceso remoto sin autenticación (CWE-287) a servidor expuesto (AV:N, PR:N, UI:N). Permite bypass de autenticación (T1078) y lectura de archivos no autorizados (T1005).

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

Privileged Account ManagementApplication Developer GuidanceActive Directory ConfigurationVulnerability ScanningUser TrainingUser Account Management

Tecnologías afectadas (1)

IBM — Aspera High-speed Transfer Server FOR Cloud PAK FOR Integration

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-7876",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-7876",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-28T14:21:36.215142Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.2,
        "exploitabilityScore": 3.9
      },
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          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
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      "affectedData": [
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          "cpes": [
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          ],
          "vendor": "IBM",
          "product": "Aspera HSTS for CP4I",
          "versions": [
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              "status": "affected",
              "version": "1.5.1",
              "versionType": "semver",
              "lessThanOrEqual": "1.5.19"
            }
          ],
          "defaultStatus": "unaffected"
        }
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  ],
  "published": "2026-05-27T14:17:35.727",
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7274127",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@us.ibm.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Aspera HSTS for CP4I 1.5.1 through 1.5.19 is affected by an authentication bypass vulnerability. A transfer client may be able to take advantage of this vulnerability to access files in the server's local storage that they should not have access to, when specific restriction settings are not in place."
    }
  ],
  "lastModified": "2026-06-17T11:03:03.947",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
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              "matchCriteriaId": "AA132BA2-35FB-4791-9F4F-97090025751F",
              "versionEndExcluding": "1.5.20",
              "versionStartIncluding": "1.5.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com"
}