{
  "id": "CVE-2015-3326",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2015-05-14T00:59:03.647",
  "lastModified": "2017-01-03T03:00:01.100",
  "vulnStatus": "Modified",
  "evaluatorComment": "<a href=\"https://cwe.mitre.org/data/definitions/330.html\">CWE-330: Use of Insufficiently Random Values</a>",
  "descriptions": [
    {
      "lang": "en",
      "value": "Trend Micro ScanMail for Microsoft Exchange (SMEX) 10.2 before Hot Fix Build 3318 and 11.0 before Hot Fix Build 4180 creates session IDs for the web console using a random number generator with predictable values, which makes it easier for remote attackers to bypass authentication via a brute force attack."
    },
    {
      "lang": "es",
      "value": "Trend Micro ScanMail for Microsoft Exchange (SMEX) 10.2 anterior a Hot Fix Build 3318 y 11.0 anterior a Hot Fix Build 4180 crea identificadores de sesi\u00f3n para la consola web utilizando un generador de n\u00fameros aleatorios con valores previsibles, lo que facilita a atacantes remotos evadir la autenticaci\u00f3n a trav\u00e9s de un ataque de fuerza bruta."
    }
  ],
  "metrics": {
    "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": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:trend_micro:scanmail:10.2:*:*:*:*:microsoft_exchange:*:*",
              "matchCriteriaId": "81774648-66B6-4531-80AC-44B97AB9F4EA"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:trend_micro:scanmail:11.0:*:*:*:*:microsoft_exchange:*:*",
              "matchCriteriaId": "3C237907-068E-4ECF-862D-4DF7220C539B"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://blog.malerisch.net/2016/05/trendmicro-smex-session-predictable-cve-2015-3326.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://esupport.trendmicro.com/solution/en-US/1109669.aspx",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/74661",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1032323",
      "source": "cve@mitre.org"
    }
  ]
}