{
  "id": "CVE-2017-16687",
  "sourceIdentifier": "cna@sap.com",
  "published": "2017-12-12T14:29:00.607",
  "lastModified": "2018-01-02T15:47:00.427",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The user self-service tools of SAP HANA extended application services, classic user self-service, a part of SAP HANA Database versions 1.00 and 2.00, can be misused to enumerate valid and invalid user accounts. An unauthenticated user could use the error messages to determine if a given username is valid."
    },
    {
      "lang": "es",
      "value": "Las herramientas de autoservicio del usuario de los servicios extendidos de la aplicaci\u00f3n SAP HANA, que forman parte de SAP HANA Database en sus versiones 1.00 y 2.00, pueden ser empleadas err\u00f3neamente para enumerar cuentas de usuario v\u00e1lidas e inv\u00e1lidas. Un usuario no autenticado podr\u00eda emplear los mensajes de error para determinar si un nombre de usuario dado es v\u00e1lido."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:sap:hana_database:1.00:*:*:*:*:*:*:*",
              "matchCriteriaId": "528C05CB-315F-465C-8C25-EF85AA7D19B9"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:sap:hana_database:2.00:*:*:*:*:*:*:*",
              "matchCriteriaId": "4C6CA542-7071-48B6-B135-3AE9B4BB1DC5"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/102152",
      "source": "cna@sap.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/",
      "source": "cna@sap.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://launchpad.support.sap.com/#/notes/2549983",
      "source": "cna@sap.com",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ]
    }
  ]
}