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CVE-2017-7551

Estado: ModificadaCrítica (9.8)—

389-ds-base version before 1.3.5.19 and 1.3.6.7 are vulnerable to password brute-force attacks during account lockout due to different return codes returned on password attempts.

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)

Fedoraproject — 389 Directory Server

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-7551",
  "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:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": true,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/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": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "389 Directory Server",
          "product": "389-ds-base",
          "versions": [
            {
              "status": "affected",
              "version": "before 1.3.5.19 and 1.3.6.7"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-08-16T18:29:00.317",
  "references": [
    {
      "url": "https://access.redhat.com/errata/RHSA-2017:2569",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://pagure.io/389-ds-base/issue/49336",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2017:2569",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://pagure.io/389-ds-base/issue/49336",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-209"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-640"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "389-ds-base version before 1.3.5.19 and 1.3.6.7 are vulnerable to password brute-force attacks during account lockout due to different return codes returned on password attempts."
    },
    {
      "lang": "es",
      "value": "389-ds-base en su versión anterior a 1.3.5.19 y 1.3.6.7 es vulnerable a ataques de fuerza bruta de contraseñas durante un bloqueo de cuenta debido a los diferentes códigos de retorno que se devuelven durante los intentos de contraseña."
    }
  ],
  "lastModified": "2026-06-17T01:24:35.620",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fedoraproject:389_directory_server:1.3.5.19:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C56A41C4-3612-431A-9D31-49EAAF080FCC"
            },
            {
              "criteria": "cpe:2.3:a:fedoraproject:389_directory_server:1.3.6.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F0A7D3E1-5DFE-4D54-82BF-D0DDC550089C"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}