{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Ilya Karpov",
          "Dmitry Sklyarov"
        ],
        "organization": "Positive Technologies",
        "summary": "reporting this vulnerability to Siemens"
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited",
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov",
        "title": "CISA Disclaimer"
      },
      {
        "category": "summary",
        "text": "Ilya Karpov and Dmitry Sklyarov from Positive Technologies reported this vulnerability to Siemens.",
        "title": "Summary"
      },
      {
        "category": "other",
        "text": "No known public exploits specifically target this vulnerability.",
        "title": "Exploitability"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "CISAservicedesk@cisa.dhs.gov",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-18-067-02 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2018/icsa-18-067-02.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-18-067-02 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-18-067-02"
      }
    ],
    "title": "ICSA-18-067-02_Siemens SIPROTEC 4, SIPROTEC Compact, and Reyrolle Devices using the EN100 Ethernet Communication Module Extension (Update B)",
    "tracking": {
      "current_release_date": "2019-02-12T00:00:00.000000Z",
      "generator": {
        "date": "2023-01-12T22:19:38.656Z",
        "engine": {
          "name": "Secvisogram",
          "version": "2.0.0"
        }
      },
      "id": "ICSA-18-067-02",
      "initial_release_date": "2018-03-08T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2018-03-08T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-18-067-02 Siemens SIPROTEC 4, SIPROTEC Compact, and Reyrolle Devices using the EN100 Ethernet Communication Module Extension"
        },
        {
          "date": "2018-04-19T00:00:00.000000Z",
          "legacy_version": "A",
          "number": "2",
          "summary": "ICSA-18-067-02 Siemens SIPROTEC 4, SIPROTEC Compact, and Reyrolle devices using the EN100 Ethernet communication module extension (Update A)"
        },
        {
          "date": "2019-02-12T00:00:00.000000Z",
          "legacy_version": "B",
          "number": "3",
          "summary": "ICSA-18-067-02 Siemens SIPROTEC 4, SIPROTEC Compact, and Reyrolle devices using the EN100 Ethernet communication module extension (Update B)"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "< 1.04",
                "product": {
                  "name": "EN100 Ethernet module DNP3 variant: All versions prior to v1.04",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "EN100 Ethernet module DNP3 variant"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "< 4.30",
                "product": {
                  "name": "EN100 Ethernet module IEC 61850 variant: All versions prior to V4.30",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "EN100 Ethernet module IEC 61850 variant"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "vers:all/*",
                "product": {
                  "name": "EN100 Ethernet module Modbus TCP variant: All versions",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "EN100 Ethernet module Modbus TCP variant"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "vers:all/*",
                "product": {
                  "name": "EN100 Ethernet module PROFINET IO variant: All versions",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "EN100 Ethernet module PROFINET IO variant"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "< 1.22",
                "product": {
                  "name": "EN100 Ethernet module IEC 104 variant: All versions prior to v1.22",
                  "product_id": "CSAFPID-0005"
                }
              }
            ],
            "category": "product_name",
            "name": "EN100 Ethernet module IEC 104 variant"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-4838",
      "cwe": {
        "id": "CWE-306",
        "name": "Missing Authentication for Critical Function"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Successful exploitation of this vulnerability could allow an attacker to either upgrade or downgrade the firmware of the device, including downgrading to older versions with known vulnerabilities.CVE-2018-4838 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)).",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005"
        ]
      },
      "references": [
        {
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "For all other affected products, Siemens has identified the following specific workarounds and mitigations that users can apply to reduce the risk. As a general security measure Siemens strongly recommends to protect network access with appropriate mechanisms (e.g., firewalls, segmentation, VPN). It is advised to configure the environment according to Siemens ' operational guidelines in order to run the devices in a protected IT environment.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005"
          ]
        },
        {
          "category": "mitigation",
          "details": "EN100 Ethernet module DNP3 variant (All versions prior to v1.04): Update to v1.04 and configure maintenance password, which can be located here: https://support.industry.siemens.com/cs/us/en/ view/109745821",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005"
          ],
          "url": "https://support.industry.siemens.com/cs/us/en/%20view/109745821"
        },
        {
          "category": "mitigation",
          "details": "EN100 Ethernet module IEC 61850 variant (All versions prior to v4.30): Update to v4.30, which can be located here: https://support.industry.siemens.com/cs/us/en/view/109745821",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005"
          ],
          "url": "https://support.industry.siemens.com/cs/us/en/view/109745821"
        },
        {
          "category": "mitigation",
          "details": "EN100 Ethernet module IEC 104 variant: Update to v1.22, which can be located here: https://support.industry.siemens.com/cs/document/109745821",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005"
          ],
          "url": "https://support.industry.siemens.com/cs/document/109745821"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005"
          ]
        }
      ],
      "title": "CVE-2018-4838"
    }
  ]
}