CVE-2018-15761

Estado: ModificadaAlta (8.8)—

Cloud Foundry UAA release, versions prior to v64.0, and UAA, versions prior to 4.23.0, contains a validation error which allows for privilege escalation. A remote authenticated user may modify the url and content of a consent page to gain a token with arbitrary scopes that escalates their privileges.

CVSS

Versión: 3.0
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 1.71%
Percentil entre todas las CVEs puntuadas: 77
Fecha de la puntuación: 3/10/2026

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1078 Valid Accountsstealth · persistence · privilege escalation · initial access
Impacto principalT1068 Exploitation for Privilege Escalationprivilege escalation

Fuente: mapeo oficial MITRE CTID (CVE → ATT&CK).

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Application Developer Guidance Active Directory Configuration User Training User Account Management Threat Intelligence Program Privileged Account Management

Tecnologías afectadas (2)

Pivotal Software — Cloud Foundry UAA Pivotal Software — Cloudfoundry UAA Release

CWE

NVD-CWE-noinfo

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2018-15761",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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        "type": "Secondary",
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        "cvssData": {
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          "baseScore": 9.9,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 3.1
      },
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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  },
  "affected": [
    {
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      "affectedData": [
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          "vendor": "Cloud Foundry",
          "product": "UAA",
          "versions": [
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              "status": "affected",
              "version": "all versions",
              "lessThan": "4.23.0",
              "versionType": "custom"
            }
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        },
        {
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          "product": "UAA Release",
          "versions": [
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              "version": "all versions",
              "lessThan": "64.0",
              "versionType": "custom"
            }
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      ]
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  ],
  "published": "2018-11-19T14:29:00.467",
  "references": [
    {
      "url": "https://www.cloudfoundry.org/blog/cve-2018-15761/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security_alert@emc.com"
    },
    {
      "url": "https://www.cloudfoundry.org/blog/cve-2018-15761/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cloud Foundry UAA release, versions prior to v64.0, and UAA, versions prior to 4.23.0, contains a validation error which allows for privilege escalation. A remote authenticated user may modify the url and content of a consent page to gain a token with arbitrary scopes that escalates their privileges."
    },
    {
      "lang": "es",
      "value": "Cloud Foundry UAA release, en versiones anteriores a la v64.0, y UAA, en versiones anteriores a la 4.23.0, contiene un error de validación que permite el escalado de privilegios. Un usuario autenticado remoto podría modificar la URL y el contenido de una página de consentimiento para obtener un token con alcances arbitrarios que escala sus privilegios."
    }
  ],
  "lastModified": "2026-06-17T01:43:04.323",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "4.23.0"
            },
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              "matchCriteriaId": "C97AD532-65AE-4669-81BF-E807BB5F4D65",
              "versionEndExcluding": "64.0"
            }
          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "security_alert@emc.com"
}