{
  "document": {
    "acknowledgments": [
      {
        "organization": "CERT@VDE",
        "summary": "coordination and support with this publication",
        "urls": [
          "https://certvde.com"
        ]
      },
      {
        "names": [
          "Rob Hulsebos",
          "Daniel dos Santos"
        ],
        "organization": "Forescout",
        "summary": "reporting to Festo",
        "urls": [
          "https://forescout.com/"
        ]
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.cisa.gov/news-events/news/traffic-light-protocol-tlp-definitions-and-usage"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "summary",
        "text": "Unauthenticated access to critical webpage functions (e.g. reboot) may cause a denial of service of the device.",
        "title": "Summary"
      },
      {
        "category": "description",
        "text": "CPX-CEC-C1 and CPX-CMXX allow unauthenticated access to critical webpage functions (e.g. reboot) which may cause a denial of service of the device",
        "title": "Impact"
      },
      {
        "category": "description",
        "text": "Currently no fix is planned.\nReplace CPX-CEC-C1 with follow-up product CPX-CEC-C1-V3.\nReplace CPX-CMXX with follow up product CPX-CEC-M1-V3.",
        "title": "Remediation"
      },
      {
        "category": "general",
        "text": "As part of a security strategy, Festo recommends the following general defense measures to reduce the risk of exploits:\n\n- Use controllers and devices only in a protected environment to minimize network exposure and ensure that they are not accessible from outside\n- Use firewalls to protect and separate the control system network from other networks\n- Use VPN (Virtual Private Networks) tunnels if remote access is required\nActivate and apply user management and password features\n- Use encrypted communication links\n- Limit the access to both development and control system by physical means, operating system features, etc.\n- Protect both development and control system by using up to date virus detecting solutions\n\nFesto strongly recommends to minimize and protect network access to connected devices with state of the art techniques and processes.\nFor a secure operation follow the recommendations in the product manuals.",
        "title": "General recommendations"
      },
      {
        "category": "legal_disclaimer",
        "text": "Festo assumes no liability whatsoever for indirect, collateral, accidental or consequential losses that occur by the distribution and/or use of this document or any losses in connection with the distribution and/or use of this document. All information published in this document is provided free of charge and on good faith by Festo. Insofar as permissible by law, however, none of this information shall establish any warranty, guarantee, commitment, or liability on the part of Festo.\n\nNote: In no case does this information release the operator or responsible person from the obligation to check the effect on his system or installation before using the information and, in the event of negative consequences, not to use the information.\n\nIn addition, the actual general terms, and conditions for delivery, payment and software use of Festo, available under http://www.festo.com and the special provisions for the use of Festo Security Advisory available at https://www.festo.com/psirt shall apply.",
        "title": "Disclaimer"
      },
      {
        "category": "legal_disclaimer",
        "text": "This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy \u0026 Use policy (https://www.cisa.gov/privacy-policy).",
        "title": "Legal Notice and Terms of Use"
      },
      {
        "category": "other",
        "text": "This ICSA is a verbatim republication of Festo SE \u0026 Co. KG FSA-202207 from a direct conversion of the vendor\u0027s Common Security Advisory Framework (CSAF) advisory. This is republished to CISA\u0027s website as a means of increasing visibility and is provided \"as-is\" for informational purposes only. CISA is not responsible for the editorial or technical accuracy of republished advisories and provides no warranties of any kind regarding any information contained within this advisory.  Further, CISA does not endorse any commercial product or service.  Please contact Festo SE \u0026 Co. KG directly for any questions regarding this advisory.",
        "title": "Advisory Conversion Disclaimer"
      },
      {
        "category": "other",
        "text": "Critical Manufacturing",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Germany",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA recommends users take defensive measures to minimize the exploitation risk of these vulnerabilities.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the internet.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Locate control system networks and remote devices behind firewalls and isolate 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), recognizing VPNs may have vulnerabilities and should be updated to the most recent version available. Also recognize VPN is only as secure as its 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. 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"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "central@cisa.dhs.gov",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "FSA-202207: Festo: CPX-CEC-C1 and CPX-CMXX, Missing Authentication for Critical Webpage Function - CSAF",
        "url": "https://festo.csaf-tp.certvde.com/.well-known/csaf/white/2022/fsa-202207.json"
      },
      {
        "category": "self",
        "summary": "FSA-202207: Festo: CPX-CEC-C1 and CPX-CMXX, Missing Authentication for Critical Webpage Function - HTML",
        "url": "https://certvde.com/en/advisories/VDE-2022-036/"
      },
      {
        "category": "external",
        "summary": "For further security-related issues in Festo products please contact the Festo Product Security Incident Response Team (PSIRT)",
        "url": "https://festo.com/psirt"
      },
      {
        "category": "external",
        "summary": "CERT@VDE Security Advisories",
        "url": "https://certvde.com/en/advisories/vendor/festo/"
      },
      {
        "category": "external",
        "summary": "CVE Entry at mitre",
        "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3079"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-25-273-03 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-273-03.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-25-273-03 - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-273-03"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/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://www.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/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b"
      }
    ],
    "title": "Festo CPX-CEC-C1 and CPX-CMXX",
    "tracking": {
      "aliases": [
        "VDE-2022-036"
      ],
      "current_release_date": "2025-07-28T10:00:00.000000Z",
      "generator": {
        "date": "2025-09-29T22:03:38.820462Z",
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-25-273-03",
      "initial_release_date": "2022-09-20T10:00:00.000000Z",
      "revision_history": [
        {
          "date": "2022-09-20T10:00:00.000000Z",
          "number": "1.0.0",
          "summary": "Initial revision."
        },
        {
          "date": "2022-10-19T10:00:00.000000Z",
          "number": "1.1.0",
          "summary": "Added Control block-Set CPX-CEC-C1 and Control block-SET CPX-CMXX to affected products."
        },
        {
          "date": "2024-01-11T10:00:00.000000Z",
          "number": "1.1.1",
          "summary": "Adjust link to VDE Advisory"
        },
        {
          "date": "2025-07-28T10:00:00.000000Z",
          "number": "1.1.2",
          "summary": "Adjusted to VDE template. Change title from \u0027CPX-CEC-C1 and CPX-CMXX, Missing Authentication for Critical Webpage Function\u0027 to \u0027Festo: CPX-CEC-C1 and CPX-CMXX, Missing Authentication for Critical Webpage Function\u0027. Updated legal disclaimer to add references to special provisions. Remediations were consolidated into one."
        }
      ],
      "status": "final",
      "version": "1.1.2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Control block CPX-CEC-C1",
                "product": {
                  "name": "Control block CPX-CEC-C1",
                  "product_id": "CSAFPID-0001",
                  "product_identification_helper": {
                    "model_numbers": [
                      "CPX-CEC-C1"
                    ],
                    "skus": [
                      "567347"
                    ],
                    "x_generic_uris": [
                      {
                        "namespace": "Festo:Partnumber",
                        "uri": "Festo:Partnumber:567347"
                      },
                      {
                        "namespace": "Festo:Ordercode",
                        "uri": "Festo:Ordercode:CPX-CEC-C1"
                      }
                    ]
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Control block CPX-CMXX",
                "product": {
                  "name": "Control block CPX-CMXX",
                  "product_id": "CSAFPID-0002",
                  "product_identification_helper": {
                    "model_numbers": [
                      "CPX-CMXX"
                    ],
                    "skus": [
                      "555667",
                      "555668"
                    ],
                    "x_generic_uris": [
                      {
                        "namespace": "Festo:Partnumber",
                        "uri": "Festo:Partnumber:555667"
                      },
                      {
                        "namespace": "Festo:Ordercode",
                        "uri": "Festo:Ordercode:CPX-CMXX"
                      },
                      {
                        "namespace": "Festo:Partnumber",
                        "uri": "Festo:Partnumber:555668"
                      }
                    ]
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Control block-SET CPX-CEC-C1",
                "product": {
                  "name": "Control block-SET CPX-CEC-C1",
                  "product_id": "CSAFPID-0003",
                  "product_identification_helper": {
                    "model_numbers": [
                      "CPX-CEC-C1"
                    ],
                    "skus": [
                      "568714"
                    ],
                    "x_generic_uris": [
                      {
                        "namespace": "Festo:Ordercode",
                        "uri": "Festo:Ordercode:CPX-CEC-C1"
                      },
                      {
                        "namespace": "Festo:Partnumber",
                        "uri": "Festo:Partnumber:568714"
                      }
                    ]
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Hardware"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c=2.0.12",
                "product": {
                  "name": "Firmware \u003c=2.0.12",
                  "product_id": "CSAFPID-0004"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c=1.2.34_rev.404",
                "product": {
                  "name": "Firmware \u003c=1.2.34 rev.404",
                  "product_id": "CSAFPID-0005"
                }
              }
            ],
            "category": "product_family",
            "name": "Firmware"
          }
        ],
        "category": "vendor",
        "name": "Festo"
      }
    ],
    "product_groups": [
      {
        "group_id": "CSAFGID-0001",
        "product_ids": [
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008"
        ],
        "summary": "Affected products."
      }
    ],
    "relationships": [
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware \u003c=2.0.12 installed on Control block CPX-CEC-C1",
          "product_id": "CSAFPID-0006"
        },
        "product_reference": "CSAFPID-0004",
        "relates_to_product_reference": "CSAFPID-0001"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware \u003c=1.2.34 rev.404 installed on Control block CPX-CMXX",
          "product_id": "CSAFPID-0007"
        },
        "product_reference": "CSAFPID-0005",
        "relates_to_product_reference": "CSAFPID-0002"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware \u003c=1.2.34 rev.404 installed on Control block CPX-CMXX",
          "product_id": "CSAFPID-0008"
        },
        "product_reference": "CSAFPID-0005",
        "relates_to_product_reference": "CSAFPID-0003"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-3079",
      "cwe": {
        "id": "CWE-269",
        "name": "Improper Privilege Management"
      },
      "notes": [
        {
          "audience": "all",
          "category": "description",
          "text": "Festo control block CPX-CEC-C1 and CPX-CMXX in multiple versions allow unauthenticated, remote access to critical webpage functions which may cause a denial of service.",
          "title": "Vulnerability Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008"
        ]
      },
      "remediations": [
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned. Festo recommends limiting access to the webserver (tcp port 80) of the device to what is absolutely necessary.\nReplace CPX-CEC-C1 with follow-up product CPX-CEC-C1-V3.\nReplace CPX-CMXX with follow up product CPX-CEC-M1-V3.",
          "group_ids": [
            "CSAFGID-0001"
          ]
        }
      ],
      "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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "title": "CVE-2022-3079"
    }
  ]
}