{
  "id": "CVE-2020-4020",
  "sourceIdentifier": "security@atlassian.com",
  "published": "2020-06-01T07:15:11.063",
  "lastModified": "2020-06-02T20:53:17.187",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The file downloading functionality in the Atlassian Companion App before version 1.0.0 allows remote attackers, who control a Confluence Server instance that the Companion App is connected to, execute arbitrary .exe files via a Protection Mechanism Failure."
    },
    {
      "lang": "es",
      "value": "La funcionalidad file downloading en la Atlassian Companion App versiones anteriores a 1.0.0, permite a atacantes remotos, que controlan una instancia de Confluence Server a la que est\u00e1 conectada la Companion App, ejecutar archivos .exe arbitrarios por medio de un Fallo del Mecanismo de Protecci\u00f3n."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.2,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 6.4,
        "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:atlassian:companion:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "1.0.0",
              "matchCriteriaId": "0633F948-1149-4BD9-864E-DCA8E182DA76"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://jira.atlassian.com/browse/CONFSERVER-59733",
      "source": "security@atlassian.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}