{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited. (TLPv2: TLP:CLEAR)",
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "SIMATIC IoT2050 Advanced devices running Industrial OS with Node-RED installed contain a missing authentication vulnerability in the Node-RED HTTP interface that could allow an unauthenticated remote attacker to create malicious flows and execute arbitrary code on the underlying server with maximum privileges.\n\nSiemens has released a new version for SIMATIC IoT2050 Advanced and strongly recommends to update to the latest version.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
        "title": "General Recommendations"
      },
      {
        "category": "general",
        "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "productcert@siemens.com",
      "name": "Siemens ProductCERT",
      "namespace": "https://www.siemens.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "SSA-834709: Missing Authentication Vulnerability in Node-RED on SIMATIC IoT2050 Advanced with Industrial OS - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-834709.html"
      },
      {
        "category": "self",
        "summary": "SSA-834709: Missing Authentication Vulnerability in Node-RED on SIMATIC IoT2050 Advanced with Industrial OS - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-834709.json"
      }
    ],
    "title": "SSA-834709: Missing Authentication Vulnerability in Node-RED on SIMATIC IoT2050 Advanced with Industrial OS",
    "tracking": {
      "current_release_date": "2026-08-11T00:00:00.000Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-834709",
      "initial_release_date": "2026-08-11T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-08-11T00:00:00.000Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        }
      ],
      "status": "interim",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:intdot/\u003c4.3.4.1",
                "product": {
                  "name": "SIMATIC IoT2050 Advanced (6ES7647-0BA00-1YA2) \u003c V4.3.4.1 running Industrial OS with Node-RED installed",
                  "product_id": "1",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6ES7647-0BA00-1YA2"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC IoT2050 Advanced (6ES7647-0BA00-1YA2)"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-58115",
      "cwe": {
        "id": "CWE-306",
        "name": "Missing Authentication for Critical Function"
      },
      "notes": [
        {
          "category": "description",
          "text": "Affected devices do not enforce authentication on the Node-RED HTTP interface, allowing unauthenticated access to programming nodes that are capable of executing system commands on the server.\r\nThis could allow an unauthenticated remote attacker to create malicious flows through the HTTP interface in order to execute arbitrary code on the underlying server with maximum privileges.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Harden the Node-RED installation (see Node-RED User Guide)",
          "product_ids": [
            "1"
          ]
        },
        {
          "category": "mitigation",
          "details": "Uninstall Node-RED",
          "product_ids": [
            "1"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V4.3.4.1 or later version",
          "product_ids": [
            "1"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109741799/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 10.0,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "title": "CVE-2026-58115"
    }
  ]
}