ICSA-22-286-12
Vulnerability from csaf_cisa
Published
2022-10-13 00:00
Modified
2022-10-13 00:00
Summary
Siemens APOGEE, TALON and Desigo PXC/PXM Products

Notes

CISA Disclaimer
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
Legal Notice
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/.
Risk evaluation
Successful exploitation of these vulnerabilities could allow a remote attacker to generate a denial-of-service condition on devices incorporating a vulnerable version of the file transfer protocol (FTP) server.
Critical infrastructure sectors
Commercial Facilities, Government Facilities
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability these vulnerabilities. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
Recommended Practices
CISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics. 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.
Recommended Practices
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
Recommended Practices
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Exploitability
No known public exploits specifically target this vulnerability. This vulnerability is exploitable remotely. This vulnerability has a low attack complexity.


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{
  "document": {
    "acknowledgments": [
      {
        "organization": "Siemens ProductCERT",
        "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 these vulnerabilities could allow a remote attacker to generate a denial-of-service condition on devices incorporating a vulnerable version of the file transfer protocol (FTP) server.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Commercial Facilities, Government Facilities",
        "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 risk of exploitation of this vulnerability these vulnerabilities. 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 at cisa.gov/ics. 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": "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": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories",
        "title": "Additional Resources"
      },
      {
        "category": "other",
        "text": "No known public exploits specifically target this vulnerability. This vulnerability is exploitable remotely. This vulnerability has a low attack complexity.",
        "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": "external",
        "summary": "SSA-935500: Denial of Service Vulnerability in FTP Server of Nucleus RTOS based APOGEE, TALON and Desigo PXC/PXM Products - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-935500.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-22-286-12 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2022/icsa-22-286-12.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-22-286-12 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-22-286-12"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-22-286-12"
      },
      {
        "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": "SSA-935500: Denial of Service Vulnerability in FTP Server of Nucleus RTOS based APOGEE, TALON and Desigo PXC/PXM Products - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-935500.pdf"
      },
      {
        "category": "external",
        "summary": "SSA-935500: Denial of Service Vulnerability in FTP Server of Nucleus RTOS based APOGEE, TALON and Desigo PXC/PXM Products - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-935500.txt"
      }
    ],
    "title": "Siemens APOGEE, TALON and Desigo PXC/PXM Products",
    "tracking": {
      "current_release_date": "2022-10-13T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-22-286-12",
      "initial_release_date": "2022-10-13T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2022-10-13T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "Publication Date"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "APOGEE MBC (PPC) (BACnet)",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE MBC (PPC) (BACnet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "APOGEE MBC (PPC) (P2 Ethernet)",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE MBC (PPC) (P2 Ethernet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
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                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
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          },
          {
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                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE MEC (PPC) (P2 Ethernet)"
          },
          {
            "branches": [
              {
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                "name": "vers:all/*",
                "product": {
                  "name": "APOGEE PXC Compact (BACnet)",
                  "product_id": "CSAFPID-0005"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE PXC Compact (BACnet)"
          },
          {
            "branches": [
              {
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                "name": "vers:all/*",
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                  "name": "APOGEE PXC Compact (P2 Ethernet)",
                  "product_id": "CSAFPID-0006"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE PXC Compact (P2 Ethernet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "APOGEE PXC Modular (BACnet)",
                  "product_id": "CSAFPID-0007"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE PXC Modular (BACnet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "APOGEE PXC Modular (P2 Ethernet)",
                  "product_id": "CSAFPID-0008"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE PXC Modular (P2 Ethernet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXC00-E.D",
                  "product_id": "CSAFPID-0009"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC00-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXC00-U",
                  "product_id": "CSAFPID-00010"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC00-U"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXC001-E.D",
                  "product_id": "CSAFPID-00011"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC001-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXC100-E.D",
                  "product_id": "CSAFPID-00012"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC100-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXC12-E.D",
                  "product_id": "CSAFPID-00013"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC12-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXC128-U",
                  "product_id": "CSAFPID-00014"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC128-U"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXC200-E.D",
                  "product_id": "CSAFPID-00015"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC200-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXC22-E.D",
                  "product_id": "CSAFPID-00016"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC22-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXC22.1-E.D",
                  "product_id": "CSAFPID-00017"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC22.1-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXC36.1-E.D",
                  "product_id": "CSAFPID-00018"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC36.1-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXC50-E.D",
                  "product_id": "CSAFPID-00019"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC50-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXC64-U",
                  "product_id": "CSAFPID-00020"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC64-U"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2.3",
                "product": {
                  "name": "Desigo PXM20-E",
                  "product_id": "CSAFPID-00021"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXM20-E"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "TALON TC Compact (BACnet)",
                  "product_id": "CSAFPID-00022"
                }
              }
            ],
            "category": "product_name",
            "name": "TALON TC Compact (BACnet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "TALON TC Modular (BACnet)",
                  "product_id": "CSAFPID-00023"
                }
              }
            ],
            "category": "product_name",
            "name": "TALON TC Modular (BACnet)"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-38371",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The FTP server does not properly release memory resources that were reserved for incomplete connection attempts by FTP clients. This could allow a remote attacker to generate a denial of service condition on devices that incorporate a vulnerable version of the FTP server.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008",
          "CSAFPID-0009",
          "CSAFPID-00010",
          "CSAFPID-00011",
          "CSAFPID-00012",
          "CSAFPID-00013",
          "CSAFPID-00014",
          "CSAFPID-00015",
          "CSAFPID-00016",
          "CSAFPID-00017",
          "CSAFPID-00018",
          "CSAFPID-00019",
          "CSAFPID-00020",
          "CSAFPID-00021",
          "CSAFPID-00022",
          "CSAFPID-00023"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-38371"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "Disable the FTP service (Note that the FTP service is disabled by default on APOGEE, Desigo, and TALON products.)",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00013",
            "CSAFPID-00014",
            "CSAFPID-00015",
            "CSAFPID-00016",
            "CSAFPID-00017",
            "CSAFPID-00018",
            "CSAFPID-00019",
            "CSAFPID-00020",
            "CSAFPID-00021",
            "CSAFPID-00022",
            "CSAFPID-00023"
          ]
        },
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "none_available",
          "details": "Currently no fix is available",
          "product_ids": [
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00013",
            "CSAFPID-00014",
            "CSAFPID-00015",
            "CSAFPID-00016",
            "CSAFPID-00017",
            "CSAFPID-00018",
            "CSAFPID-00019",
            "CSAFPID-00020",
            "CSAFPID-00021",
            "CSAFPID-00022",
            "CSAFPID-00023"
          ]
        },
        {
          "category": "mitigation",
          "details": "As a general security measure Siemens strongly recommends to protect network access to affected products with appropriate mechanisms. It is advised to follow recommended security practices in order to run the devices in a protected IT environment.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00013",
            "CSAFPID-00014",
            "CSAFPID-00015",
            "CSAFPID-00016",
            "CSAFPID-00017",
            "CSAFPID-00018",
            "CSAFPID-00019",
            "CSAFPID-00020",
            "CSAFPID-00021",
            "CSAFPID-00022",
            "CSAFPID-00023"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00013",
            "CSAFPID-00014",
            "CSAFPID-00015",
            "CSAFPID-00016",
            "CSAFPID-00017",
            "CSAFPID-00018",
            "CSAFPID-00019",
            "CSAFPID-00020",
            "CSAFPID-00021",
            "CSAFPID-00022",
            "CSAFPID-00023"
          ]
        }
      ],
      "title": "CVE-2022-38371"
    }
  ]
}


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