{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "\u00c4\u00b0smail Mert AY AK"
        ],
        "organization": "Biznet Bili\u00c5\u009fim A.\u00c5\u009e.",
        "summary": "coordinating disclosure"
      },
      {
        "organization": "Siemens",
        "summary": "reported this vulnerability to CISA."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited",
      "tlp": {
        "label": "WHITE",
        "url": "https://us-cert.cisa.gov/tlp"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "All information products included in https://us-cert.cisa.gov/ics are provided \"as is\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.",
        "title": "Legal Notice"
      },
      {
        "category": "other",
        "text": "This CISA CSAF advisory was converted from Siemens ProductCERT\u0027s TXT advisory.",
        "title": "Advisory Conversion Disclaimer"
      },
      {
        "category": "other",
        "text": "Multiple",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Germany",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA recommends users take defensive measures to minimize the exploitation risk of this vulnerability.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the internet.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Locate control system networks and remote devices behind firewalls and isolate them from business networks.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most recent version available. Also recognize VPN is only as secure as its connected devices.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Operators of critical power systems (e.g. TSOs) worldwide are usuallyrequired by regulations to build resilience into the power grids byapplying multi-level redundant secondary protection schemes. It istherefore recommended that the operators check whether appropriateresilient protection measures are in place. The risk of cyber incidentsimpacting the grid\u0027s reliability can thus be minimized by virtue of thegrid design.",
        "title": "General Recommendations"
      },
      {
        "category": "general",
        "text": "Siemens strongly recommends applying the provided security updates usingthe corresponding tooling and documented procedures made available withthe product. If supported by the product, an automated means to applythe security updates across multiple product instances may be used.",
        "title": "General Recommendations"
      },
      {
        "category": "general",
        "text": "Siemens strongly recommends prior validation of any security updatebefore being applied, and supervision by trained staff of the updateprocess in the target environment.",
        "title": "General Recommendations"
      },
      {
        "category": "general",
        "text": "As a general security measure Siemens strongly recommends to protectnetwork access with appropriate mechanisms (e.g. firewalls,segmentation, VPN). It is advised to configure the environment accordingto our operational guidelines in order to run the devices in a protectedIT environment.",
        "title": "General Recommendations"
      },
      {
        "category": "general",
        "text": "Recommended security guidelines to Secure Substations can be found at:https://www.siemens.com/gridsecurity",
        "title": "General Recommendations"
      },
      {
        "category": "legal_disclaimer",
        "text": "Siemens Security Advisories are subject to the terms and conditions containedin Siemens\u0027 underlying license terms or other applicable agreements previouslyagreed to with Siemens (hereinafter \"License Terms\"). To the extent applicableto information, software or documentation made available in or through aSiemens Security Advisory, the Terms of Use of Siemens\u0027 Global Website(https://www.siemens.com/terms_of_use, hereinafter \"Terms of Use\"), inparticular Sections 8-10 of the Terms of Use, shall apply additionally. In caseof conflicts, the License Terms shall prevail over the Terms of Use.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "central@cisa.dhs.gov;\n Toll Free: 1-888-282-0870",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "SSA-747162: Cross-Site Scripting Vulnerability in Spectrum Power\u00e2\u0084\u00a2",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-747162.txt"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-19-190-04 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/refs/heads/develop/csaf_files/OT/white/2019/icsa-19-190-04.json"
      },
      {
        "category": "self",
        "summary": "ICSA Advisory ICSA-19-190-04 - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-19-190-04"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/resources-tools/resources/ics-recommended-practices"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/topics/industrial-control-systems"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B"
      }
    ],
    "title": "ICSA-19-190-04 Siemens Spectrum Power (Update A)",
    "tracking": {
      "current_release_date": "2019-08-13T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-19-190-04",
      "initial_release_date": "2019-07-09T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2019-07-09T00:00:00.000000Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2019-08-13T00:00:00.000000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Corrected version information for Spectrum Power 5"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c=v3.11",
                "product": {
                  "name": "Spectrum Power 3 (Corporate User Interface)",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "Spectrum Power 3 (Corporate User Interface)"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "v4.75",
                "product": {
                  "name": "Spectrum Power 4 (Corporate User Interface)",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "Spectrum Power 4 (Corporate User Interface)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cv5.50",
                "product": {
                  "name": "Spectrum Power 5 (Corporate User Interface)",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "Spectrum Power 5 (Corporate User Interface)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c=v2.20",
                "product": {
                  "name": "Spectrum Power 7 (Corporate User Interface)",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "Spectrum Power 7 (Corporate User Interface)"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-10933",
      "cwe": {
        "id": "CWE-80",
        "name": "Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The web server could allow Cross-Site Scripting (XSS) attacks if unsuspecting users are tricked into accessing a malicious link. User interaction is required for a successful exploitation. The user does not need to be logged into the web interface in order for the exploitation to succeed. At the stage of publishing this security advisory no public exploitation is known.",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-10933"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:P/RL:O/RC:C"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "Please contact Siemens Energy Customer Support Center at: support.energy@siemens.com or your local Siemens representative.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Please contact Siemens Energy Customer Support Center at: support.energy@siemens.com or your local Siemens representative.",
          "product_ids": [
            "CSAFPID-0002"
          ]
        },
        {
          "category": "mitigation",
          "details": "Please contact Siemens Energy Customer Support Center at: support.energy@siemens.com or your local Siemens representative.",
          "product_ids": [
            "CSAFPID-0003"
          ]
        },
        {
          "category": "mitigation",
          "details": "Please contact Siemens Energy Customer Support Center at: support.energy@siemens.com or your local Siemens representative.",
          "product_ids": [
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Do not allow Internet access for Spectrum Power UI clients.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Users should be trained to avoid clicking on unknown links.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:P/RL:O/RC:C",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        }
      ]
    }
  ]
}