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CVE-2019-7620

Estado: ModificadaAlta (7.5)—

Logstash versions before 7.4.1 and 6.8.4 contain a denial of service flaw in the Logstash Beats input plugin. An unauthenticated user who is able to connect to the port the Logstash beats input could send a specially crafted network packet that would cause Logstash to stop responding.

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 (1)

Elastic — Logstash

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-7620",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "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:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@elastic.co",
      "affectedData": [
        {
          "vendor": "Elastic",
          "product": "Logstash",
          "versions": [
            {
              "status": "affected",
              "version": "before 7.4.1 and 6.8.4"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-10-30T14:15:11.457",
  "references": [
    {
      "url": "https://discuss.elastic.co/t/elastic-stack-6-8-4-security-update/204908",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@elastic.co"
    },
    {
      "url": "https://discuss.elastic.co/t/elastic-stack-7-4-1-security-update/204909",
      "tags": [
        "Vendor Advisory"
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      "tags": [
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      "source": "security@elastic.co"
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      "url": "https://discuss.elastic.co/t/elastic-stack-6-8-4-security-update/204908",
      "tags": [
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    },
    {
      "url": "https://discuss.elastic.co/t/elastic-stack-7-4-1-security-update/204909",
      "tags": [
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@elastic.co",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Logstash versions before 7.4.1 and 6.8.4 contain a denial of service flaw in the Logstash Beats input plugin. An unauthenticated user who is able to connect to the port the Logstash beats input could send a specially crafted network packet that would cause Logstash to stop responding."
    },
    {
      "lang": "es",
      "value": "Logstash versiones anteriores a 7.4.1 y 6.8.4, contienen un fallo de denegación de servicio en el plugin de entrada de Logstash Beats. Un usuario no autenticado que puede ser capaz de conectarse a la entrada de latidos de Logstash podría enviar un paquete de red especialmente diseñado que causaría que Logstash deje de responder."
    }
  ],
  "lastModified": "2026-06-17T02:40:46.433",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D06ACA59-7534-4F89-9F61-2ECE90293176",
              "versionEndExcluding": "6.8.4",
              "versionStartIncluding": "6.0.0"
            },
            {
              "criteria": "cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "450C8263-B1E0-401C-BA4B-28A2A57CEFCB",
              "versionEndExcluding": "7.4.1",
              "versionStartIncluding": "7.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@elastic.co"
}