{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Borja Merino",
          "Eduardo Villaverde"
        ],
        "organization": "the Technical Inspection Laboratory of the Mining School (University of Le\u00f3n)",
        "summary": "coordinating this vulnerability with Carlos del Canto and Victor Fidalgo of INCIBE-CERT \u0027s Industrial Cybersecurity Team"
      }
    ],
    "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": "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": "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": "summary",
        "text": "Successful exploitation of this vulnerability could allow an attacker to generate a denial-of-service condition, modify passwords, enable services, achieve man-in-the-middle, and modify input parameters associated with devices such as sensors.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Energy",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Germany",
        "title": "Company headquarters location"
      },
      {
        "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 onus-cert.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.\nOrganizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA also recommends users take the following measures to protect themselves from social engineering attacks:",
        "title": "Recommended Practices"
      },
      {
        "category": "other",
        "text": "No known public exploits specifically target this vulnerability.",
        "title": "Exploitability"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "Email: CISAservicedesk@cisa.dhs.gov;\n Toll Free: 1-888-282-0870",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-19-281-01 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2019/icsa-19-281-01.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-19-281-01 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-19-281-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.us-cert.gov/ncas/tips/ST04-014"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.us-cert.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.us-cert.gov/ics/tips/ICS-TIP-12-146-01B"
      }
    ],
    "title": "SMA Solar Technology AG Sunny WebBox",
    "tracking": {
      "current_release_date": "2019-10-08T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-19-281-01",
      "initial_release_date": "2019-10-08T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2019-10-08T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-19-281-01 SMA Solar Technology AG Sunny WebBox"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c= 1.6",
                "product": {
                  "name": "Firmware: Version 1.6 and prior",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "Sunny WebBox Firmware"
          }
        ],
        "category": "vendor",
        "name": "SMA Solar Technology AG"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-13529",
      "cwe": {
        "id": "CWE-352",
        "name": "Cross-Site Request Forgery (CSRF)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "An attacker could send a malicious link to an authenticated operator, which may allow remote attackers to perform actions with the permissions of the user. This device uses IP addresses to maintain communication after a successful login, which would increase the ease of exploitation.CVE-2019-13529 has been assigned to this vulnerability. A CVSS v3 base score of 9.6 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-13529"
        },
        {
          "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:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "This product is end-of-life and is no longer supported.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "SMA recommends deactivation of port forwarding as it is not required for monitoring PV systems via the SMA Sunny Portal. If direct access to a system from the Internet is necessary, SMA recommends using an encrypted virtual private network (VPN). On delivery, any saved default passwords should also be replaced with individual secure passwords, and unused ports on the system/router should be closed.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "SMA installers and administrators can answer specific questions about individual configuration of SMA devices. Basic information on this topic can also be found at: https://files.sma.de/dl/7680/CyberSecurity-TI-en-10.pdf",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://files.sma.de/dl/7680/CyberSecurity-TI-en-10.pdf"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.6,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    }
  ]
}