gsd-2020-36321
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), and 3.0 prior to 5.0 (Vaadin 15 prior to 18) allows attacker to request arbitrary files stored outside of intended frontend resources folder.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2020-36321",
    "description": "Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), and 3.0 prior to 5.0 (Vaadin 15 prior to 18) allows attacker to request arbitrary files stored outside of intended frontend resources folder.",
    "id": "GSD-2020-36321"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-36321"
      ],
      "details": "Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), and 3.0 prior to 5.0 (Vaadin 15 prior to 18) allows attacker to request arbitrary files stored outside of intended frontend resources folder.",
      "id": "GSD-2020-36321",
      "modified": "2023-12-13T01:21:55.719527Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "AKA": "",
        "ASSIGNER": "security@vaadin.com",
        "DATE_PUBLIC": "2020-11-26T09:17:00.000Z",
        "ID": "CVE-2020-36321",
        "STATE": "PUBLIC",
        "TITLE": "Directory traversal in development mode handler in Vaadin 14 and 15-17"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Vaadin",
                    "version": {
                      "version_data": [
                        {
                          "platform": "",
                          "version_affected": "\u003e=",
                          "version_name": "",
                          "version_value": "14.0.0"
                        },
                        {
                          "platform": "",
                          "version_affected": "\u003c=",
                          "version_name": "",
                          "version_value": "14.4.2"
                        },
                        {
                          "platform": "",
                          "version_affected": "\u003e=",
                          "version_name": "",
                          "version_value": "15.0.0"
                        },
                        {
                          "platform": "",
                          "version_affected": "\u003c",
                          "version_name": "",
                          "version_value": "18.0.0"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "flow-server",
                    "version": {
                      "version_data": [
                        {
                          "platform": "",
                          "version_affected": "\u003e=",
                          "version_name": "",
                          "version_value": "2.0.0"
                        },
                        {
                          "platform": "",
                          "version_affected": "\u003c=",
                          "version_name": "",
                          "version_value": "2.4.1"
                        },
                        {
                          "platform": "",
                          "version_affected": "\u003e=",
                          "version_name": "",
                          "version_value": "3.0.0"
                        },
                        {
                          "platform": "",
                          "version_affected": "\u003c",
                          "version_name": "",
                          "version_value": "5.0.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Vaadin"
            }
          ]
        }
      },
      "configuration": [],
      "credit": [],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), and 3.0 prior to 5.0 (Vaadin 15 prior to 18) allows attacker to request arbitrary files stored outside of intended frontend resources folder."
          }
        ]
      },
      "exploit": [],
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://vaadin.com/security/cve-2020-36321",
            "refsource": "MISC",
            "url": "https://vaadin.com/security/cve-2020-36321"
          },
          {
            "name": "https://github.com/vaadin/flow/pull/9392",
            "refsource": "MISC",
            "url": "https://github.com/vaadin/flow/pull/9392"
          }
        ]
      },
      "solution": [],
      "source": {
        "advisory": "",
        "defect": [],
        "discovery": "INTERNAL"
      },
      "work_around": []
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "[14.0.0,14.4.3),[15.0.0,18.0.0)",
          "affected_versions": "All versions starting from 14.0.0 before 14.4.3, all versions starting from 15.0.0 before 18.0.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-22",
            "CWE-937"
          ],
          "date": "2021-05-05",
          "description": "Improper URL validation in development mode handler in `com.vaadin:flow-server` allows attacker to request arbitrary files stored outside of intended frontend resources folder.",
          "fixed_versions": [
            "14.4.3",
            "18.0.0"
          ],
          "identifier": "CVE-2020-36321",
          "identifiers": [
            "CVE-2020-36321"
          ],
          "not_impacted": "All versions after 14.4.3, before 15.0.0, all versions starting from 18.0.0",
          "package_slug": "maven/com.vaadin/flow-client",
          "pubdate": "2021-04-23",
          "solution": "Upgrade to version 14.4.3 or 18.0.0 or above.",
          "title": "Path Traversal",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-36321",
            "https://vaadin.com/security/cve-2020-36321"
          ],
          "uuid": "fc6883bb-aee0-4134-a1f8-99b09cfb545c"
        },
        {
          "affected_range": "[2.0.0,2.4.1],[3.0,4.0]",
          "affected_versions": "All versions starting from 2.0.0 through 2.4.1, all versions starting from 3.0 through 4.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-22",
            "CWE-937"
          ],
          "date": "2021-05-05",
          "description": "Improper URL validation in development mode handler in `com.vaadin:flow-server` allows attacker to request arbitrary files stored outside of intended frontend resources folder.",
          "fixed_versions": [
            "2.4.2"
          ],
          "identifier": "CVE-2020-36321",
          "identifiers": [
            "CVE-2020-36321"
          ],
          "not_impacted": "All versions starting from 2.4.2 before 3.0.",
          "package_slug": "maven/com.vaadin/flow-server",
          "pubdate": "2021-04-23",
          "solution": "Upgrade to version 2.4.2 or higher.",
          "title": "Path Traversal",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-36321",
            "https://vaadin.com/security/cve-2020-36321"
          ],
          "uuid": "4d8afcf3-e98a-450a-bad1-1ee72c484011"
        },
        {
          "affected_range": "[14.0.0,14.4.3),[15.0.0,18.0.0)",
          "affected_versions": "All versions starting from 14.0.0 before 14.4.3, all versions starting from 15.0.0 before 18.0.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-22",
            "CWE-937"
          ],
          "date": "2021-05-05",
          "description": "Improper URL validation in development mode handler in `com.vaadin:flow-server` allows attacker to request arbitrary files stored outside of intended frontend resources folder.",
          "fixed_versions": [
            "14.4.3",
            "18.0.0"
          ],
          "identifier": "CVE-2020-36321",
          "identifiers": [
            "CVE-2020-36321"
          ],
          "not_impacted": "All versions starting from 14.4.3 before 15.0.0, all versions starting from 18.0.0",
          "package_slug": "maven/com.vaadin/vaadin-server",
          "pubdate": "2021-04-23",
          "solution": "Upgrade to version 14.4.3 or 18.0.0 or above.",
          "title": "Path Traversal",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-36321",
            "https://vaadin.com/security/cve-2020-36321"
          ],
          "uuid": "ba672e8b-8515-4f2f-999f-9584272c66be"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.4.2",
                "versionStartIncluding": "2.0.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.0.0",
                "versionStartIncluding": "3.0.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "14.4.3",
                "versionStartIncluding": "14.0.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "18.0.0",
                "versionStartIncluding": "15.0.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@vaadin.com",
          "ID": "CVE-2020-36321"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), and 3.0 prior to 5.0 (Vaadin 15 prior to 18) allows attacker to request arbitrary files stored outside of intended frontend resources folder."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-22"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "N/A",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://vaadin.com/security/cve-2020-36321"
            },
            {
              "name": "N/A",
              "refsource": "CONFIRM",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/vaadin/flow/pull/9392"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2021-05-05T17:26Z",
      "publishedDate": "2021-04-23T16:15Z"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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