{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "We strongly recommend the following industry cybersecurity best practices.\n\nhttps://www.se.com/us/en/download/document/7EN52-0390/\n* Locate control and safety system networks and remote devices behind firewalls and isolate them from the business network.\n* Install physical controls so no unauthorized personnel can access your industrial control and safety systems, components, peripheral equipment, and networks.\n* Place all controllers in locked cabinets and never leave them in the \u201cProgram\u201d mode.\n* Never connect programming software to any network other than the network intended for that device.\n* Scan all methods of mobile data exchange with the isolated network such as CDs, USB drives, etc. before use in the terminals or any node connected to these networks.\n* Never allow mobile devices that have connected to any other network besides the intended network to connect to the safety or control networks without proper sanitation.\n* Minimize network exposure for all control system devices and systems and ensure that they are not accessible from the Internet.\n* When remote access is required, use secure methods, such as Virtual Private Networks (VPNs). Recognize that VPNs may have vulnerabilities and should be updated to the most current version available. Also, understand that VPNs are only as secure as the connected devices.\nFor more information refer to the Schneider Electric Recommended Cybersecurity Best Practices document. \n",
        "title": "General Security Recommendations"
      },
      {
        "category": "general",
        "text": "This document provides an overview of the identified vulnerability or vulnerabilities and actions required to mitigate. For more details and assistance on how to protect your installation, contact your local Schneider Electric representative or Schneider Electric Industrial Cybersecurity Services: https://www.se.com/ww/en/work/solutions/cybersecurity/. These organizations will be fully aware of this situation and can support you through the process.\nFor further information related to cybersecurity in Schneider Electric\u2019s products, visit the company\u2019s cybersecurity support portal page: https://www.se.com/ww/en/work/support/cybersecurity/overview.jsp",
        "title": "For More Information"
      },
      {
        "category": "legal_disclaimer",
        "text": "THIS NOTIFICATION DOCUMENT, THE INFORMATION CONTAINED HEREIN, AND ANY MATERIALS LINKED FROM IT (COLLECTIVELY, THIS \u201cNOTIFICATION\u201d) ARE INTENDED TO HELP PROVIDE AN OVERVIEW OF THE IDENTIFIED SITUATION AND SUGGESTED MITIGATION ACTIONS, REMEDIATION, FIX, AND/OR GENERAL SECURITY RECOMMENDATIONS AND IS PROVIDED ON AN \u201cAS-IS\u201d BASIS WITHOUT WARRANTY OR GUARANTEE OF ANY KIND.  SCHNEIDER ELECTRIC DISCLAIMS ALL WARRANTIES RELATING TO THIS NOTIFICATION, EITHER EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. SCHNEIDER ELECTRIC MAKES NO WARRANTY THAT THE NOTIFICATION WILL RESOLVE THE IDENTIFIED SITUATION. IN NO EVENT SHALL SCHNEIDER ELECTRIC BE LIABLE FOR ANY DAMAGES OR LOSSES WHATSOEVER IN CONNECTION WITH THIS NOTIFICATION, INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF SCHNEIDER ELECTRIC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. YOUR USE OF THIS NOTIFICATION IS AT YOUR OWN RISK, AND YOU ARE SOLELY LIABLE FOR ANY DAMAGES TO YOUR SYSTEMS OR ASSETS OR OTHER LOSSES THAT MAY RESULT FROM YOUR USE OF THIS NOTIFICATION. SCHNEIDER ELECTRIC RESERVES THE RIGHT TO UPDATE OR CHANGE THIS NOTIFICATION AT ANY TIME AND IN ITS SOLE DISCRETION",
        "title": "LEGAL DISCLAIMER"
      },
      {
        "category": "general",
        "text": "At Schneider, we believe access to energy and digital is a basic human right. We empower all to do more with less, ensuring Life Is On everywhere, for everyone, at every moment.\n\nWe provide energy and automation digital solutions for efficiency and sustainability. We combine world-leading energy technologies, real-time automation, software and services into integrated solutions for Homes, Buildings, Data Centers, Infrastructure and Industries.\n\nWe are committed to unleash the infinite possibilities of an open, global, innovative community that is passionate with our Meaningful Purpose, Inclusive and Empowered values.\n\nwww.se.com ",
        "title": "About Schneider Electric"
      },
      {
        "category": "summary",
        "text": "Schneider Electric is aware of \u200ba vulnerability\u200b in its \u200bEcoStruxure\u2122 OPC UA Server Expert\u200b product.  \r\n\r\nEcoStruxure\u2122 OPC UA Server Expert is a communications platform seamlessly linking Schneider Electric PLCs and connected devices to enterprise information systems and the Industrial Internet of Things (IIoT) via the OPC Foundation\u2019s Open Platform Communications \u2013 Unified Architecture (OPC UA) service-oriented architecture standard.  \r\nFailure to apply the remediation provided below may risk \u200bconfidentiality\u200b, which could result in disclosure of sensitive information from the system running the software",
        "title": "Overview"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "cpcert@se.com",
      "name": "Schneider Electric CPCERT",
      "namespace": "https://www.se.com/ww/en/work/support/cybersecurity/security-notifications.jsp"
    },
    "references": [
      {
        "category": "self",
        "summary": "\u200b\u200bEcoStruxure\u2122 OPC UA Server Expert\u200b - SEVD-2023-192-02 PDF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-192-02\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2023-192-02.pdf"
      },
      {
        "category": "self",
        "summary": "\u200b\u200bEcoStruxure\u2122 OPC UA Server Expert\u200b - SEVD-2023-192-02 CSAF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-192-02\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=sevd-2023-192-02.json"
      },
      {
        "category": "external",
        "summary": "Recommended Cybersecurity Best Practices",
        "url": "https://www.se.com/us/en/download/document/7EN52-0390/"
      }
    ],
    "title": "\u200b\u200bEcoStruxure\u2122 OPC UA Server Expert\u200b",
    "tracking": {
      "current_release_date": "2024-08-13T07:00:00.000Z",
      "generator": {
        "date": "2023-07-06T07:05:23Z",
        "engine": {
          "name": "Schneider Electric CSAF Generator",
          "version": "1.2"
        }
      },
      "id": "SEVD-2023-192-02",
      "initial_release_date": "2023-07-11T07:01:56.000Z",
      "revision_history": [
        {
          "date": "2023-07-11T07:01:56.000Z",
          "number": "1.0.0",
          "summary": "Original Release"
        },
        {
          "date": "2023-07-13T00:00:00.000Z",
          "number": "2.0.0",
          "summary": "Modicon Communication Server offer added the affected product table. A remediation is now available on Modicon Communication Server (page2)"
        }
      ],
      "status": "final",
      "version": "2.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c SV2.01 SP2",
                "product": {
                  "name": "Schneider Electric EcoStruxure\u2122 OPC UA Server Expert \u003c SV2.01 SP2",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "EcoStruxure\u2122 OPC UA Server Expert"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "SV2.01 SP2",
                "product": {
                  "name": "Schneider Electric EcoStruxure\u2122 OPC UA Server Expert SV2.01 SP2",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "EcoStruxure\u2122 OPC UA Server Expert"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c SV2.01 SP2",
                "product": {
                  "name": "Modicon Communication Server Versions prior to SV2.01 SP2",
                  "product_id": "3"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Communication Server"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "SV2.01 SP2",
                "product": {
                  "name": "Modicon Communication Server Version SV2.01 SP2",
                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Communication Server"
          }
        ],
        "category": "vendor",
        "name": "Schneider Electric"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "\u200bJin Huang"
          ],
          "organization": "ADLab of Venustech"
        }
      ],
      "cve": "CVE-2023-37200",
      "cwe": {
        "id": "CWE-611",
        "name": "Improper Restriction of XML External Entity Reference"
      },
      "notes": [
        {
          "category": "description",
          "text": "A\u202fCWE-611: Improper Restriction of XML External Entity Reference\u202fvulnerability exists\u202fthat could cause\u202floss of confidentiality\u202fwhen\u202freplacing a project file on the local filesystem and after manual restart of the server. ",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "2",
          "4"
        ],
        "known_affected": [
          "1",
          "3"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "\u200b\u200bVersion \u200bSV2.01 SP2\u200b of EcoStruxure\u2122 OPC UA Server Expert includes a fix for this vulnerability and is available for download here: \r\n\u200bhttps://www.se.com/ww/en/product-range/66388-ecostruxure-opc-ua-server-expert/#software-and-firmware \u200b ",
          "product_ids": [
            "1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product-range/66388-ecostruxure-opc-ua-server-expert/#software-and-firmware"
        },
        {
          "category": "vendor_fix",
          "details": "Version SV2.01 SP2 of Modicon Communication Server includes a fix \r\nfor this vulnerability and is available for download here:\r\nhttps://www.se.com/ww/en/product-range/66388-ecostruxure-opc-uaserver-expert/ - software-and-firmware",
          "product_ids": [
            "3"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/us/en/product-range/66388-ecostruxure-opc-ua-server-expert/#products"
        },
        {
          "category": "mitigation",
          "details": "If customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit: \r\n\r\nFollow workstation, network, and site-hardening guidelines in the Recommended Cybersecurity Best Practices Guide available for download here. \r\n\r\nOnly open project configuration files received from a trusted source. \r\n\r\nEncrypt project configuration files when stored and restrict access to only trusted users. \r\nWhen exchanging files over network, use secure communication protocols. ",
          "product_ids": [
            "1",
            "3"
          ],
          "restart_required": {
            "category": "none"
          }
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "environmentalScore": 5.5,
            "environmentalSeverity": "MEDIUM",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 5.5,
            "temporalSeverity": "MEDIUM",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "1",
            "3"
          ]
        }
      ],
      "title": "CVE-2023-37200\u200b"
    }
  ]
}