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CVE-2018-1154

Estado: ModificadaAlta (8.8)—

In SecurityCenter versions prior to 5.7.0, a username enumeration issue could allow an unauthenticated attacker to automate the discovery of username aliases via brute force, ultimately facilitating unauthorized access. Server response output has been unified to correct this issue.

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)

Tenable — Security Center

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-1154",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.3,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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        "cvssData": {
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          "vectorString": "CVSS:3.0/AV:A/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": 2.8
      }
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  },
  "affected": [
    {
      "source": "vulnreport@tenable.com",
      "affectedData": [
        {
          "vendor": "Tenable",
          "product": "SecurityCenter",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to 5.7.0"
            }
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        }
      ]
    }
  ],
  "published": "2018-08-02T19:29:00.840",
  "references": [
    {
      "url": "http://www.securitytracker.com/id/1041431",
      "tags": [
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      "tags": [
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        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
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      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In SecurityCenter versions prior to 5.7.0, a username enumeration issue could allow an unauthenticated attacker to automate the discovery of username aliases via brute force, ultimately facilitating unauthorized access. Server response output has been unified to correct this issue."
    },
    {
      "lang": "es",
      "value": "En SecurityCenter, en versiones anteriores a la 5.7.0, un problema de enumeración de nombres de usuario puede permitir que un atacante no autenticado automatice el descubrimiento de alias de nombres de usuario mediante fuerza bruta, facilitando en última instancia el acceso no autorizado. Se ha unificado la salida de la respuesta del servidor para corregir este problema."
    }
  ],
  "lastModified": "2026-08-17T14:50:49.470",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "C2E5831B-E78C-4CA4-A53E-789D40F8C91D",
              "versionEndExcluding": "5.7.0"
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          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "vulnreport@tenable.com"
}