GSD-2020-6939

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
Tableau Server installations configured with Site-Specific SAML that allows the APIs to be used by unauthenticated users. If exploited, this could allow a malicious user to configure Site-Specific SAML settings and could lead to account takeover for users of that site. Tableau Server versions affected on both Windows and Linux are: 2018.2 through 2018.2.27, 2018.3 through 2018.3.24, 2019.1 through 2019.1.22, 2019.2 through 2019.2.18, 2019.3 through 2019.3.14, 2019.4 through 2019.4.13, 2020.1 through 2020.1.10, 2020.2 through 2020.2.7, and 2020.3 through 2020.3.2.
Aliases
Aliases
CVE-2020-6939
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{
  "GSD": {
    "alias": "CVE-2020-6939",
    "description": "Tableau Server installations configured with Site-Specific SAML that allows the APIs to be used by unauthenticated users. If exploited, this could allow a malicious user to configure Site-Specific SAML settings and could lead to account takeover for users of that site. Tableau Server versions affected on both Windows and Linux are: 2018.2 through 2018.2.27, 2018.3 through 2018.3.24, 2019.1 through 2019.1.22, 2019.2 through 2019.2.18, 2019.3 through 2019.3.14, 2019.4 through 2019.4.13, 2020.1 through 2020.1.10, 2020.2 through 2020.2.7, and 2020.3 through 2020.3.2.",
    "id": "GSD-2020-6939"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-6939"
      ],
      "details": "Tableau Server installations configured with Site-Specific SAML that allows the APIs to be used by unauthenticated users. If exploited, this could allow a malicious user to configure Site-Specific SAML settings and could lead to account takeover for users of that site. Tableau Server versions affected on both Windows and Linux are: 2018.2 through 2018.2.27, 2018.3 through 2018.3.24, 2019.1 through 2019.1.22, 2019.2 through 2019.2.18, 2019.3 through 2019.3.14, 2019.4 through 2019.4.13, 2020.1 through 2020.1.10, 2020.2 through 2020.2.7, and 2020.3 through 2020.3.2.",
      "id": "GSD-2020-6939",
      "modified": "2023-12-13T01:21:54.747342Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@salesforce.com",
        "ID": "CVE-2020-6939",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Tableau Server",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "versions affected on both Windows and Linux are: 2018.2 through 2018.2.27"
                        },
                        {
                          "version_value": "2018.3 through 2018.3.24"
                        },
                        {
                          "version_value": "2019.1 through 2019.1.22"
                        },
                        {
                          "version_value": "2019.2 through 2019.2.18"
                        },
                        {
                          "version_value": "2019.3 through 2019.3.14"
                        },
                        {
                          "version_value": "2019.4 through 2019.4.13"
                        },
                        {
                          "version_value": "2020.1 through 2020.1.10"
                        },
                        {
                          "version_value": "2020.2 through 2020.2.7"
                        },
                        {
                          "version_value": "2020.3 through 2020.3.2"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Tableau Server installations configured with Site-Specific SAML that allows the APIs to be used by unauthenticated users. If exploited, this could allow a malicious user to configure Site-Specific SAML settings and could lead to account takeover for users of that site. Tableau Server versions affected on both Windows and Linux are: 2018.2 through 2018.2.27, 2018.3 through 2018.3.24, 2019.1 through 2019.1.22, 2019.2 through 2019.2.18, 2019.3 through 2019.3.14, 2019.4 through 2019.4.13, 2020.1 through 2020.1.10, 2020.2 through 2020.2.7, and 2020.3 through 2020.3.2."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Incorrect Access Control"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://help.salesforce.com/articleView?id=000355686\u0026type=1\u0026mode=1",
            "refsource": "CONFIRM",
            "url": "https://help.salesforce.com/articleView?id=000355686\u0026type=1\u0026mode=1"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:tableau:tableau_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2018.2.27",
                "versionStartIncluding": "2018.2",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:tableau:tableau_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2018.3.24",
                "versionStartIncluding": "2018.3",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:tableau:tableau_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2019.1.22",
                "versionStartIncluding": "2019.1",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:tableau:tableau_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2019.2.18",
                "versionStartIncluding": "2019.2",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:tableau:tableau_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2019.3.14",
                "versionStartIncluding": "2019.3",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:tableau:tableau_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2019.4.13",
                "versionStartIncluding": "2019.4",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:tableau:tableau_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2020.1.10",
                "versionStartIncluding": "2020.1",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:tableau:tableau_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2020.2.7",
                "versionStartIncluding": "2020.2",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:tableau:tableau_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2020.3.2",
                "versionStartIncluding": "2020.3",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@salesforce.com",
          "ID": "CVE-2020-6939"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Tableau Server installations configured with Site-Specific SAML that allows the APIs to be used by unauthenticated users. If exploited, this could allow a malicious user to configure Site-Specific SAML settings and could lead to account takeover for users of that site. Tableau Server versions affected on both Windows and Linux are: 2018.2 through 2018.2.27, 2018.3 through 2018.3.24, 2019.1 through 2019.1.22, 2019.2 through 2019.2.18, 2019.3 through 2019.3.14, 2019.4 through 2019.4.13, 2020.1 through 2020.1.10, 2020.2 through 2020.2.7, and 2020.3 through 2020.3.2."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-noinfo"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://help.salesforce.com/articleView?id=000355686\u0026type=1\u0026mode=1",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://help.salesforce.com/articleView?id=000355686\u0026type=1\u0026mode=1"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 10.0,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2020-12-08T17:36Z",
      "publishedDate": "2020-11-23T17:15Z"
    }
  }
}


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Sightings

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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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.



Detection rules are retrieved from Rulezet.