GSD-2020-36320

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.
Aliases
Aliases
CVE-2020-36320
To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-36320",
    "description": "Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.",
    "id": "GSD-2020-36320"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-36320"
      ],
      "details": "Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.",
      "id": "GSD-2020-36320",
      "modified": "2023-12-13T01:21:55.664485Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "AKA": "",
        "ASSIGNER": "security@vaadin.com",
        "DATE_PUBLIC": "2020-10-08T08:17:00.000Z",
        "ID": "CVE-2020-36320",
        "STATE": "PUBLIC",
        "TITLE": "Regular expression Denial of Service (ReDoS) in EmailValidator class in Vaadin 7"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
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                    "version": {
                      "version_data": [
                        {
                          "platform": "",
                          "version_affected": "\u003e=",
                          "version_name": "",
                          "version_value": "7.0.0"
                        },
                        {
                          "platform": "",
                          "version_affected": "\u003c=",
                          "version_name": "",
                          "version_value": "7.7.21"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "vaadin-server",
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                          "version_affected": "\u003e=",
                          "version_name": "",
                          "version_value": "7.0.0"
                        },
                        {
                          "platform": "",
                          "version_affected": "\u003c=",
                          "version_name": "",
                          "version_value": "7.7.21"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Vaadin"
            }
          ]
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      },
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          }
        ]
      },
      "exploit": [],
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      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://vaadin.com/security/cve-2020-36320",
            "refsource": "MISC",
            "url": "https://vaadin.com/security/cve-2020-36320"
          },
          {
            "name": "https://github.com/vaadin/framework/issues/7757",
            "refsource": "MISC",
            "url": "https://github.com/vaadin/framework/issues/7757"
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          }
        ]
      },
      "solution": [],
      "source": {
        "advisory": "",
        "defect": [],
        "discovery": "INTERNAL"
      },
      "work_around": []
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "[7.0.0,7.7.22)",
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            "CWE-400",
            "CWE-937"
          ],
          "date": "2021-05-05",
          "description": "Unsafe validation RegEx in `EmailValidator` class in `com.vaadin:vaadin-server` allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.",
          "fixed_versions": [
            "7.7.22"
          ],
          "identifier": "CVE-2020-36320",
          "identifiers": [
            "CVE-2020-36320"
          ],
          "not_impacted": "All versions starting from 7.7.22",
          "package_slug": "maven/com.vaadin/flow-client",
          "pubdate": "2021-04-23",
          "solution": "Upgrade to version 7.7.22 or above",
          "title": "Uncontrolled Resource Consumption",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-36320",
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          "date": "2021-04-26",
          "description": "Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.",
          "fixed_versions": [
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          ],
          "identifier": "CVE-2020-36320",
          "identifiers": [
            "GHSA-42j4-733x-5vcf",
            "CVE-2020-36320"
          ],
          "not_impacted": "All versions before 7.0.0, all versions starting from 7.7.22",
          "package_slug": "maven/com.vaadin/vaadin-bom",
          "pubdate": "2021-04-19",
          "solution": "Upgrade to version 7.7.22 or above.",
          "title": "Uncontrolled Resource Consumption",
          "urls": [
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          "uuid": "98071a9c-073e-4179-8559-f21f36521878"
        },
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          ],
          "date": "2021-05-05",
          "description": "Unsafe validation RegEx in `EmailValidator` class in com.vaadin:vaadin-server allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.",
          "fixed_versions": [
            "7.7.22"
          ],
          "identifier": "CVE-2020-36320",
          "identifiers": [
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          ],
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          "package_slug": "maven/com.vaadin/vaadin-server",
          "pubdate": "2021-04-23",
          "solution": "Upgrade to version 7.7.22 or higher.",
          "title": "Uncontrolled Resource Consumption",
          "urls": [
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        }
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                "versionEndExcluding": "7.7.22",
                "versionStartIncluding": "7.0.0",
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            }
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      },
      "impact": {
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          "cvssV2": {
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        },
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      },
      "lastModifiedDate": "2021-05-05T18:02Z",
      "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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