{
  "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 a vulnerability introduced in the VxWorks patch delivered by Wind \r\nRiver fixing URGENT/11 vulnerabilities affecting the Modicon LMC078 Logic Controller",
        "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": "Modicon LMC078 Logic Controller additional URGENT/11 Fix - SEVD-2020-161-03 PDF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2020-161-03\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2020-161-03_LMC078_Security_Notification.pdf"
      },
      {
        "category": "self",
        "summary": "Modicon LMC078 Logic Controller additional URGENT/11 Fix - SEVD-2020-161-03 CSAF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2020-161-03\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=sevd-2020-161-03.json"
      },
      {
        "category": "external",
        "summary": "Recommended Cybersecurity Best Practices",
        "url": "https://www.se.com/us/en/download/document/7EN52-0390/"
      }
    ],
    "title": "Modicon LMC078 Logic Controller additional URGENT/11 Fix",
    "tracking": {
      "current_release_date": "2020-06-09T00:00:00.000Z",
      "generator": {
        "date": "2020-06-09T00:00:00.000Z",
        "engine": {
          "name": "Schneider Electric CSAF Generator",
          "version": "1.2"
        }
      },
      "id": "SEVD-2020-161-03",
      "initial_release_date": "2020-06-09T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2020-06-09T00:00:00.000Z",
          "number": "1.0.0",
          "summary": "Original Release"
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=1.51.15.05",
                "product": {
                  "name": "Schneider Electric Modicon LMC078 Logic Controller running with firmware V1.51.15.05 and later",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon LMC078 Logic Controller"
          }
        ],
        "category": "vendor",
        "name": "Schneider Electric"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2020-10664",
      "notes": [
        {
          "category": "description",
          "text": "The IGMP component in VxWorks 6.8.3 IPNET CVE patches created in 2019 has a NULL \r\nPointer Dereference.\r\nAdditional details on this specific vulnerability can be found on the Wind River security \r\nnotification webpage: https://support2.windriver.com/index.php?page=cve\u0026on=view\u0026id=CVE\u00022020-10664\r",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Modicon LMC078 Logic Controller does not allow IGMP communication protocol by default.\r\nNo configuration or Schneider feature allows joining a multicast source group.\r\nThe following workarounds and mitigations can be applied by customers to enforce \r\ncybersecurity on Modicon LMC078 Logic Controllers:\r\nSince the vulnerability is present in the TCP/IP stack, an active network connection is \r\nrequired to exploit it. Therefore, Schneider Electric customers can act now to mitigate the \r\nrisk of attack by limiting access to their devices, which would immediately reduce attempted \r\nexploits.\r\n\u2022 Use functions recommended and documented by Schneider Electric: \r\nhttps://product-help.schneider\u0002electric.com/Machine%20Expert/V1.2/LandingPages/en/VLP_Software/VLP_Lib_Te\r\nmp_Ex/VLP_Libraries/VLP_Communication_Libraries/index.html\r\n\u2022 Limit access to the networks on which Schneider Electric devices are placed.\r\n\u2022 Do not expose Schneider Electric devices directly to the Internet.\r\n\u2022 Always place Schneider Electric devices behind firewalls and other security \r\nprotection appliances that limit access only to authorized remote connections.\r\n\u2022 Continuously monitor affected devices for security events that could warn of \r\nattempted unauthorized access.\r\n\u2022 Secure the network communications between the engineering workstation and the \r\ncontrollers to ensure trustworthiness by following the Cybersecurity Best Practices \r\nhttps://www.se.com/ww/en/download/document/CS-Best-Practices-2019-340/",
          "product_ids": [
            "1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://product-help.schneider-electric.com/Machine%20Expert/V1.2/LandingPages/en/VLP_Software/VLP_Lib_Temp_Ex/VLP_Libraries/VLP_Communication_Libraries/index.html"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalScore": 7.5,
            "environmentalSeverity": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "1"
          ]
        }
      ],
      "title": "CVE-2020-10664"
    }
  ]
}