GSD-2021-34561

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying through their target's browser.
Aliases
Aliases
CVE-2021-34561
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{
  "GSD": {
    "alias": "CVE-2021-34561",
    "description": "In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying through their target\u0027s browser.",
    "id": "GSD-2021-34561"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-34561"
      ],
      "details": "In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying through their target\u0027s browser.",
      "id": "GSD-2021-34561",
      "modified": "2023-12-13T01:23:13.865504Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "info@cert.vde.com",
        "DATE_PUBLIC": "2021-08-16T07:07:00.000Z",
        "ID": "CVE-2021-34561",
        "STATE": "PUBLIC",
        "TITLE": "A vulnerability in WirelessHART-Gateway \u003c= 3.0.8 allows to bypass any IP or firewall based access restrictions through DNS rebinding"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "WHA-GW-F2D2-0-AS- Z2-ETH",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_name": "3.0.8",
                          "version_value": "3.0.8"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "WHA-GW-F2D2-0-AS- Z2-ETH.EIP",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_name": "3.0.8",
                          "version_value": "3.0.8"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Phoenix Contact"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Pepperl+Fuchs reported this vulnerability. CERT@VDE coordinated."
        }
      ],
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      "data_type": "CVE",
      "data_version": "4.0",
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            "lang": "eng",
            "value": "In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying through their target\u0027s browser."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-350 Reliance on Reverse DNS Resolution for a Security-Critical Action"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://cert.vde.com/en-us/advisories/vde-2021-027",
            "refsource": "CONFIRM",
            "url": "https://cert.vde.com/en-us/advisories/vde-2021-027"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "No update available."
        }
      ],
      "source": {
        "advisory": "VDE-2021-027",
        "discovery": "INTERNAL"
      },
      "work_around": [
        {
          "lang": "eng",
          "value": "An external protective measure is required.\n\n* Minimize network exposure for affected products and ensure that they are not accessible via the Internet.\n* Isolate affected products from the corporate network.\n* If remote access is required, use secure methods such as virtual private networks (VPNs)."
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [
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                "children": [],
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                    "cpe23Uri": "cpe:2.3:o:pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth_firmware:*:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "versionEndIncluding": "3.0.8",
                    "vulnerable": true
                  }
                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:h:pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
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            "cpe_match": [],
            "operator": "AND"
          },
          {
            "children": [
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                "cpe_match": [
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                    "cpe23Uri": "cpe:2.3:o:pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth.eip_firmware:*:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "versionEndIncluding": "3.0.8",
                    "vulnerable": true
                  }
                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:h:pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth.eip:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
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            "cpe_match": [],
            "operator": "AND"
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      "cve": {
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          "ASSIGNER": "info@cert.vde.com",
          "ID": "CVE-2021-34561"
        },
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying through their target\u0027s browser."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-350"
                }
              ]
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://cert.vde.com/en-us/advisories/vde-2021-027",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://cert.vde.com/en-us/advisories/vde-2021-027"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-09-29T15:24Z",
      "publishedDate": "2021-08-31T11:15Z"
    }
  }
}



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