{
  "document": {
    "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": "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": "general",
        "text": "CISA recommends users take defensive measures to minimize the risk of exploitation.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Locate control system networks and remote devices behind firewalls and isolating 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). Recognize VPNs may have vulnerabilities, should be updated to the most recent version available, and are only as secure as the 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.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "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": "CISA also recommends users take the following measures to protect themselves from social engineering attacks: Do not click web links or open attachments in unsolicited email messages. Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams. Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
        "title": "Recommended Practices"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "central@cisa.dhs.gov",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-16-252-01 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2016/icsa-16-252-01.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-16-252-01 - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-16-252-01"
      },
      {
        "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/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/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ncas/tips/ST04-014"
      }
    ],
    "title": "GE Bently Nevada 3500/22M Improper Authorization Vulnerability",
    "tracking": {
      "current_release_date": "2025-06-09T17:25:24.979586Z",
      "generator": {
        "date": "2025-06-09T17:25:24.979463Z",
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-16-252-01",
      "initial_release_date": "2016-06-12T06:00:00.000000Z",
      "revision_history": [
        {
          "date": "2016-06-12T06:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "Initial Publication"
        },
        {
          "date": "2025-06-09T17:25:24.979586Z",
          "legacy_version": "CSAF Conversion",
          "number": "2",
          "summary": "Advisory converted into a CSAF"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c5.0",
                "product": {
                  "name": "GE GE Bently Nevada 3500/22M (USB version) Firmware: \u003c5.0",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "GE Bently Nevada 3500/22M (USB version) Firmware"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "GE GE Bently Nevada 3500/22M (serial version): vers:all/*",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "GE Bently Nevada 3500/22M (serial version)"
          }
        ],
        "category": "vendor",
        "name": "GE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2016-5788",
      "cwe": {
        "id": "CWE-285",
        "name": "Improper Authorization"
      },
      "notes": [
        {
          "category": "summary",
          "text": "General Electric (GE) Bently Nevada 3500/22M USB with firmware before 5.0 and Bently Nevada 3500/22M Serial have open ports, which makes it easier for remote attackers to obtain privileged access via unspecified vectors.",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "GE has released a new firmware version for the GE Bently Nevada 3500/22M TDI USB monitoring system, Version 5.0. GE\u2019s new firmware can only be applied to the USB version of the GE Bently Nevada 3500/22M monitoring system. Users registered with a GE Bently Nevada Technical Support Agreement can download Version 5.0 and access GE\u2019s Technical Information Letter (TIL-149700250) detailing further mitigation strategies at the following URL with a valid account: (http://www.bntechsupport.com)",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "http://www.bntechsupport.com"
        },
        {
          "category": "mitigation",
          "details": "GE recommends that users using the serial version of the GE Bently Nevada 3500/22M upgrade the affected device.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "mitigation",
          "details": "Users who are concerned about the security of their GE Bently Nevada 3500 System should: Employ system hardening techniques for GE Bently Nevada\u2019s 3500 System as outlined in document 106M9733 - 3500 Hardening Guideline. This document is available through (http://www.bntechsupport.com)",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "http://www.bntechsupport.com"
        },
        {
          "category": "mitigation",
          "details": "Contact GE Bently Nevada for information regarding installations compliant to IEC 62443-2-4 Level 1. Implement a bump-in-the-wire solution to provide secure communication between endpoints, which may enhance security. Effectively segment networks and implement demilitarized zones (DMZs) with properly configured firewalls to selectively control and monitor traffic passed between zones.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 10.0,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        }
      ]
    }
  ]
}