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CVE-2020-4267

Estado: ModificadaMedia (6.5)—

IBM MQ and MQ Appliance 8.0, 9.1 LTS, and 9.1 CD could allow an authenticated user cause a denial of service due to a memory leak. IBM X-Force ID: 175840.

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).

Tecnologías afectadas (2)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-4267",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.6
      }
    ],
    "cvssMetricV31": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "NETWORK",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@us.ibm.com",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "MQ Appliance",
          "versions": [
            {
              "status": "affected",
              "version": "8.0.0.3"
            },
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              "status": "affected",
              "version": "8.0.0.4"
            },
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              "status": "affected",
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            },
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              "status": "affected",
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            },
            {
              "status": "affected",
              "version": "8.0.0.0"
            },
            {
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              "version": "8.0.0.8"
            },
            {
              "status": "affected",
              "version": "8.0.0.10"
            },
            {
              "status": "affected",
              "version": "8.0.0.11"
            },
            {
              "status": "affected",
              "version": "9.1.0.1"
            },
            {
              "status": "affected",
              "version": "9.1.1"
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            {
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              "version": "8.0.0.1"
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            {
              "status": "affected",
              "version": "8.0.0.7"
            },
            {
              "status": "affected",
              "version": "8.0.0.9"
            },
            {
              "status": "affected",
              "version": "8.0.0.12"
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            {
              "status": "affected",
              "version": "9.1.0.2"
            },
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              "status": "affected",
              "version": "9.1.2"
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            {
              "status": "affected",
              "version": "9.1.0.3"
            },
            {
              "status": "affected",
              "version": "9.1.3"
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            {
              "status": "affected",
              "version": "9.1"
            },
            {
              "status": "affected",
              "version": "8.0.0.13"
            },
            {
              "status": "affected",
              "version": "9.1.0.4"
            },
            {
              "status": "affected",
              "version": "9.1.4"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-04-24T16:15:13.307",
  "references": [
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/175840",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://www.ibm.com/support/pages/node/6195384",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/175840",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.ibm.com/support/pages/node/6195384",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM MQ and MQ Appliance 8.0, 9.1 LTS, and 9.1 CD could allow an authenticated user cause a denial of service due to a memory leak. IBM X-Force ID: 175840."
    },
    {
      "lang": "es",
      "value": "IBM MQ y MQ Appliance versiones 8.0, 9.1 LTS y 9.1 CD, podrían permitir a un usuario autenticado causar una denegación de servicio debido a una pérdida de la memoria. ID de IBM X-Force: 175840."
    }
  ],
  "lastModified": "2026-06-17T03:19:44.547",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "8.0.0.14",
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            },
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            },
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              "versionEndExcluding": "9.1.5",
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            }
          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "psirt@us.ibm.com"
}