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CVE-2019-5476

Estado: ModificadaCrítica (9.8)—

An SQL Injection in the Nextcloud Lookup-Server < v0.3.0 (running on https://lookup.nextcloud.com) caused unauthenticated users to be able to execute arbitrary SQL commands.

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)

Nextcloud — Lookup-server

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-5476",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "lookup.nextcloud.com",
          "versions": [
            {
              "status": "affected",
              "version": "before v0.3.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-08-07T17:15:12.637",
  "references": [
    {
      "url": "https://hackerone.com/reports/508487",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://hackerone.com/reports/508487",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "support@hackerone.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An SQL Injection in the Nextcloud Lookup-Server < v0.3.0 (running on https://lookup.nextcloud.com) caused unauthenticated users to be able to execute arbitrary SQL commands."
    },
    {
      "lang": "es",
      "value": "Una inyección SQL en Lookup-Server de Nextcloud versiones anteriores a v0.3.0 (ejecutado en https://lookup.nextcloud.com), causó que los usuarios no autenticados pudieran ejecutar comandos SQL arbitrarios."
    }
  ],
  "lastModified": "2026-06-17T02:37:45.363",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nextcloud:lookup-server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AE013DC9-6DAE-49C8-9DF4-EE0FBA3F6867",
              "versionEndExcluding": "0.3.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "support@hackerone.com"
}