GSD-2020-36321

Vulnerability from gsd - Updated: 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
CVE-2020-36321
To clipboard 

{
  "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": [],
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      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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          {
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            "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": {
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            "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",
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          }
        ]
      },
      "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",
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            "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",
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            "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)",
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          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
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            "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",
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          ],
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          "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": [
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          ],
          "uuid": "ba672e8b-8515-4f2f-999f-9584272c66be"
        }
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    "nvd.nist.gov": {
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                "cpe23Uri": "cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:*",
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                "versionStartIncluding": "2.0.0",
                "vulnerable": true
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                "versionStartIncluding": "15.0.0",
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            {
              "name": "N/A",
              "refsource": "CONFIRM",
              "tags": [
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              "url": "https://github.com/vaadin/flow/pull/9392"
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      },
      "impact": {
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          "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",
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          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
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        },
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            "confidentialityImpact": "HIGH",
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          "impactScore": 3.6
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      },
      "lastModifiedDate": "2021-05-05T17:26Z",
      "publishedDate": "2021-04-23T16:15Z"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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