{
  "id": "CVE-2017-15891",
  "sourceIdentifier": "security@synology.com",
  "published": "2017-12-08T16:29:00.247",
  "lastModified": "2019-10-09T23:24:32.750",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper access control vulnerability in SYNO.Cal.EventBase in Synology Calendar before 2.0.1-0242 allows remote authenticated users to modify calendar event via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de control de acceso indebido en SYNO.Cal.EventBase en Synology Calendar en versiones anteriores a la 2.0.1-0242 permite que usuarios remotos autenticados modifiquen eventos del calendario mediante vectores sin especificar."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "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-noinfo"
        }
      ]
    },
    {
      "source": "security@synology.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:synology:calendar:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.0.1-0242",
              "matchCriteriaId": "3C533652-085B-41D0-91C1-4F27CB70D0C1"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.synology.com/en-global/support/security/Synology_SA_17_68_Calendar",
      "source": "security@synology.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}