{
  "document": {
    "acknowledgments": [
      {
        "organization": "Hitachi Energy",
        "summary": "reporting 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": "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 unauthorized access to data and modification of data inside the affected product.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Energy",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Switzerland",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA also recommends users take the following measures to protect themselves from social engineering attacks:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.\nCISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.cisa.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.cisa.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": "other",
        "text": "No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely.",
        "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-21-334-05 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-334-05.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-21-334-05 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-334-05"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://us-cert.cisa.gov/ncas/tips/ST04-014"
      },
      {
        "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://us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B"
      }
    ],
    "title": "Hitachi Energy Retail Operations and CSB Software",
    "tracking": {
      "current_release_date": "2021-11-30T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-21-334-05",
      "initial_release_date": "2021-11-30T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2021-11-30T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-21-334-05 Hitachi Energy Retail Operations and CSB Software"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c= 5.7.3",
                "product": {
                  "name": "Counterparty Settlement and Billing (CSB): Version 5.7.3 and prior",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "Counterparty Settlement and Billing (CSB)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c= 5.7.3",
                "product": {
                  "name": "Retail Operations: Version 5.7.3 and prior",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "Retail Operations"
          }
        ],
        "category": "vendor",
        "name": "Hitachi Energy"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-35528",
      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
      },
      "notes": [
        {
          "category": "summary",
          "text": "A flaw in the application authentication and authorization mechanism that depends on local validation of the session identifier allows an unauthorized, signed Java Applet JAR file to be executed.CVE-2021-35528 has been assigned to this vulnerability. A CVSS v3 base score of 7.2 has been calculated; the CVSS vector string is (AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-35528"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Retail Operations v5.7.3 and prior: Upgrade to v5.7.3.1",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "mitigation",
          "details": "Counterparty Settlement and Billing (CSB) v5.7.3: Upgrade to v5.7.3.1",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "mitigation",
          "details": "Harden the operating system.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Routinely monitor the application process log for unrecognized user sessions originating outside of the Retail Operations application.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Please see the Hitachi Energy Retail Operations and CSB advisories for additional mitigation and update information.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsearch.abb.com%2Flibrary%2FDownload.aspx%3FDocumentID%3D8DBD000067%26LanguageCode%3Den%26DocumentPartId%3D%26Action%3DLaunch\u0026data=04%7C01%7CJeremiah.Stoddard%40inl.gov%7Cfefd1b7b3e034ad5e81d08d9aba24483%7C4cf464b7869a42368da2a98566485554%7C0%7C0%7C637729535726524767%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000\u0026sdata=FELBwry54Uil62rUvM12jqlbit2%2Bp7S75YqyITBwQ18%3D\u0026reserved=0"
        },
        {
          "category": "mitigation",
          "details": "For additional information and support, users should contact the product provider or Hitachi Energy service organization.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://www.hitachienergy.com/contact-us/"
        },
        {
          "category": "mitigation",
          "details": "Do not click web links or open unsolicited attachments in email messages.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "mitigation",
          "details": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://us-cert.cisa.gov/sites/default/files/publications/emailscams_0905.pdf"
        },
        {
          "category": "mitigation",
          "details": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://us-cert.cisa.gov/ncas/tips/ST04-014"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        }
      ]
    }
  ]
}