{
  "document": {
    "acknowledgments": [
      {
        "organization": "CERT@VDE",
        "summary": "coordination",
        "urls": [
          "https://certvde.com"
        ]
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-GB",
    "notes": [
      {
        "category": "summary",
        "text": "Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service.",
        "title": "Summary"
      },
      {
        "category": "description",
        "text": "Please consult the CVE entry above.",
        "title": "Impact"
      },
      {
        "category": "description",
        "text": "Endress+Hauser recommends using the FieldPort SFP50 only in secure environment and to allow access tothe devices only to authorized persons.",
        "title": "Mitigation"
      },
      {
        "category": "description",
        "text": "Currently no fix planned from chip supplier.",
        "title": "Remediation"
      }
    ],
    "publisher": {
      "contact_details": "psirt@endress.com",
      "name": "Endress+Hauser AG",
      "namespace": "https://www.endress.com",
      "category": "vendor"
    },
    "references": [
      {
        "category": "self",
        "summary": "VDE-2022-006: Endress+Hauser: FieldPort SFP50 Memory Corruption in Bluetooth Controller Firmware - HTML",
        "url": "https://certvde.com/en/advisories/VDE-2022-006/"
      },
      {
        "category": "self",
        "summary": "VDE-2022-006: Endress+Hauser: FieldPort SFP50 Memory Corruption in Bluetooth Controller Firmware - CSAF",
        "url": "https://endress-hauser.csaf-tp.certvde.com/.well-known/csaf/white/2022/vde-2022-006.json"
      },
      {
        "category": "external",
        "summary": "Vendor PSIRT",
        "url": "https://www.endress.com"
      },
      {
        "category": "external",
        "summary": "CERT@VDE Security Advisories for Endress+Hauser AG",
        "url": "https://certvde.com/en/advisories/vendor/endress-hauser/"
      }
    ],
    "title": "Endress+Hauser: FieldPort SFP50 Memory Corruption in Bluetooth Controller Firmware",
    "tracking": {
      "aliases": [
        "VDE-2022-006"
      ],
      "current_release_date": "2022-03-24T10:48:00.000Z",
      "generator": {
        "date": "2025-04-28T08:42:41.132Z",
        "engine": {
          "name": "Secvisogram",
          "version": "2.5.24"
        }
      },
      "id": "VDE-2022-006",
      "initial_release_date": "2022-03-24T10:48:00.000Z",
      "revision_history": [
        {
          "date": "2022-03-24T10:48:00.000Z",
          "number": "1",
          "summary": "Initial revision."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "name": "Endress+Hauser",
        "category": "vendor",
        "branches": [
          {
            "name": "Hardware",
            "category": "product_family",
            "branches": [
              {
                "name": "FieldPort SFP50 (mobiLink)",
                "category": "product_name",
                "product": {
                  "name": "FieldPort SFP50 (mobiLink)",
                  "product_id": "CSAFPID-11001",
                  "product_identification_helper": {
                    "model_numbers": [
                      "SFP50-*"
                    ]
                  }
                }
              },
              {
                "name": "mobiLink Bluetooth and USB modem in bundle with Field Xpert SMT50",
                "category": "product_name",
                "product": {
                  "name": "mobiLink Bluetooth and USB modem in bundle with Field Xpert SMT50",
                  "product_id": "CSAFPID-11002",
                  "product_identification_helper": {
                    "model_numbers": [
                      "SMT50-*MH"
                    ]
                  }
                }
              },
              {
                "name": "mobiLink Bluetooth and USB modem in bundle with Field Xpert SMT70",
                "category": "product_name",
                "product": {
                  "name": "mobiLink Bluetooth and USB modem in bundle with Field Xpert SMT70",
                  "product_id": "CSAFPID-11003",
                  "product_identification_helper": {
                    "model_numbers": [
                      "SMT70-*MH",
                      "SMT70-*+MH"
                    ]
                  }
                }
              },
              {
                "name": "mobiLink Bluetooth and USB modem in bundle with Field Xpert SMT77",
                "category": "product_name",
                "product": {
                  "name": "mobiLink Bluetooth and USB modem in bundle with Field Xpert SMT77",
                  "product_id": "CSAFPID-11004",
                  "product_identification_helper": {
                    "model_numbers": [
                      "SMT77-*+MH",
                      "SMT77-*MH"
                    ]
                  }
                }
              },
              {
                "name": "mobiLink BT and USB modem CN+KR in bundle with Field Xpert SMT70",
                "category": "product_name",
                "product": {
                  "name": "mobiLink BT and USB modem CN+KR in bundle with Field Xpert SMT70",
                  "product_id": "CSAFPID-11005",
                  "product_identification_helper": {
                    "model_numbers": [
                      "SMT70-*MJ",
                      "SMT70-*+MJ"
                    ]
                  }
                }
              },
              {
                "name": "mobiLink BT and USB modem CN+KR in bundle with Field Xpert SMT77",
                "category": "product_name",
                "product": {
                  "name": "mobiLink BT and USB modem CN+KR in bundle with Field Xpert SMT77",
                  "product_id": "CSAFPID-11006",
                  "product_identification_helper": {
                    "model_numbers": [
                      "SMT77-*+MJ",
                      "SMT77-*MJ"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "Firmware",
            "category": "product_family",
            "branches": [
              {
                "name": "1.31<=1.40",
                "category": "product_version_range",
                "product": {
                  "name": "Firmware 1.31<=1.40",
                  "product_id": "CSAFPID-21001"
                }
              }
            ]
          }
        ]
      }
    ],
    "product_groups": [
      {
        "group_id": "CSAFGID-0001",
        "product_ids": [
          "CSAFPID-31001",
          "CSAFPID-31002",
          "CSAFPID-31003",
          "CSAFPID-31004",
          "CSAFPID-31005",
          "CSAFPID-31006"
        ],
        "summary": "Affected products."
      }
    ],
    "relationships": [
      {
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11001",
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 1.31<=1.40 installed on FieldPort SFP50 (mobiLink)",
          "product_id": "CSAFPID-31001"
        }
      },
      {
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11002",
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 1.31<=1.40 installed on mobiLink Bluetooth and USB modem in bundle with Field Xpert SMT50",
          "product_id": "CSAFPID-31002"
        }
      },
      {
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11003",
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 1.31<=1.40 installed on mobiLink Bluetooth and USB modem in bundle with Field Xpert SMT70",
          "product_id": "CSAFPID-31003"
        }
      },
      {
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11004",
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 1.31<=1.40 installed on mobiLink Bluetooth and USB modem in bundle with Field Xpert SMT70",
          "product_id": "CSAFPID-31004"
        }
      },
      {
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11005",
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 1.31<=1.40 installed on mobiLink Bluetooth and USB modem in bundle with Field Xpert SMT77",
          "product_id": "CSAFPID-31005"
        }
      },
      {
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11006",
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 1.31<=1.40 installed on mobiLink Bluetooth and USB modem in bundle with Field Xpert SMT77",
          "product_id": "CSAFPID-31006"
        }
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-35093",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "description",
          "text": "Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore",
          "title": "Vulnerability Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-31001",
          "CSAFPID-31002",
          "CSAFPID-31003",
          "CSAFPID-31004",
          "CSAFPID-31005",
          "CSAFPID-31006"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Endress+Hauser recommends using the FieldPort SFP50 only in secure environment and to allow access tothe devices only to authorized persons.",
          "group_ids": [
            "CSAFGID-0001"
          ]
        },
        {
          "category": "no_fix_planned",
          "details": "Currently no fix planned from chip supplier.",
          "group_ids": [
            "CSAFGID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalScore": 6.5,
            "environmentalSeverity": "MEDIUM",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 6.5,
            "temporalSeverity": "MEDIUM",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-31001",
            "CSAFPID-31002",
            "CSAFPID-31003",
            "CSAFPID-31004",
            "CSAFPID-31005",
            "CSAFPID-31006"
          ]
        }
      ],
      "title": "CVE-2021-35093"
    }
  ]
}