{
  "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/"
      }
    },
    "notes": [
      {
        "category": "summary",
        "text": "One of the DNS-related vulnerabilities that were reported as \"Name:Wreck\" may affect the following Siemens Energy products:\n\n-   Industrial Gas Turbines SGT-100, SGT-200, SGT-300 and SGT-400 with Allen Bradley control systems\n-   Aeroderivative Gas Turbines SGT-A20, SGT-A35 and SGT-A65 with FT125 control systems",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "Operators of critical power systems (e.g. TSOs or DSOs) worldwide are usually required by regulations to build resilience into the power grids by applying multi-level redundant secondary protection schemes. It is therefore recommended that the operators check whether appropriate resilient protection measures are in place. The risk of cyber incidents impacting the grid\u0027s reliability can thus be minimized by virtue of the grid design.\n\nSiemens Energy strongly recommends applying the provided security updates using the corresponding tooling and documented procedures made available with the product. If supported by the product, an automated means to apply the security updates across multiple product instances may be used. Siemens Energy strongly recommends prior validation of any security update before being applied, and supervision by trained staff of the update process in the target environment.\n\nAs a general security measure Siemens Energy strongly recommends to protect network access with appropriate mechanisms (e.g. firewalls, segmentation, VPN). It is advised to configure the environment according to our operational guidelines in order to run the devices in a protected IT environment.",
        "title": "General Recommendations"
      },
      {
        "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": "legal_disclaimer",
        "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens\u0027 underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter \"License Terms\"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens\u0027 Global Website (https://www.siemens.com/terms_of_use, hereinafter \"Terms of Use\"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.",
        "title": "Terms of Use"
      },
      {
        "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": "other",
        "text": "This CISA CSAF advisory was converted from Siemens ProductCERT\u0027s CSAF advisory.",
        "title": "Advisory Conversion Disclaimer"
      },
      {
        "category": "other",
        "text": "Multiple",
        "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": "SSA-553445: DNS \"Name:Wreck\" Vulnerabilities in Multiple Siemens Energy AGT and SGT solutions - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-553445.json"
      },
      {
        "category": "self",
        "summary": "SSA-553445: DNS \"Name:Wreck\" Vulnerabilities in Multiple Siemens Energy AGT and SGT solutions - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-553445.txt"
      },
      {
        "category": "self",
        "summary": "SSA-553445: DNS \"Name:Wreck\" Vulnerabilities in Multiple Siemens Energy AGT and SGT solutions - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-553445.pdf"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-21-222-06 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-222-06.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-21-222-06 - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-222-06"
      },
      {
        "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"
      }
    ],
    "title": "Siemens Energy AGT and SGT Solutions",
    "tracking": {
      "current_release_date": "2025-05-06T06:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-21-222-06",
      "initial_release_date": "2021-08-10T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2021-08-10T00:00:00.000000Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2025-05-06T06:00:00.000000Z",
          "legacy_version": "Revision",
          "number": "2",
          "summary": "Revision - Fixing typos"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "SGT-100",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "SGT-100"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "SGT-200",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "SGT-200"
          },
          {
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              {
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                "product": {
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                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
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          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "SGT-400",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "SGT-400"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "SGT-A20",
                  "product_id": "CSAFPID-0005"
                }
              }
            ],
            "category": "product_name",
            "name": "SGT-A20"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "SGT-A35",
                  "product_id": "CSAFPID-0006"
                }
              }
            ],
            "category": "product_name",
            "name": "SGT-A35"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "SGT-A65",
                  "product_id": "CSAFPID-0007"
                }
              }
            ],
            "category": "product_name",
            "name": "SGT-A65"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2016-20009",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "summary",
          "text": "** UNSUPPORTED WHEN ASSIGNED ** A DNS client stack-based buffer overflow in ipdnsc_decode_name() affects Wind River VxWorks 6.5 through 7. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007"
        ]
      },
      "references": [
        {
          "summary": "CVE-2016-20009 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2016-20009.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "As only Rockwell Automation / Allen Bradley components are affected, please see Rockwell Security Advisory PN1564 for affected parts and software/firmware updates. Some updates may not be compatible with other components in the system. Contact Siemens Energy for further support.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007"
          ]
        },
        {
          "category": "mitigation",
          "details": "While firmware updates are suggested in the original advisory as solutions, the updates may not be compatible with the software or other components in the system. Please contact your local Siemens Energy representative for an assessment.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007"
          ]
        },
        {
          "category": "mitigation",
          "details": "For more details on how to mitigate this vulnerability, see Rockwell Security Advisory PN1564 (https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131196, Login required)",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007"
          ]
        }
      ],
      "title": "CVE-2016-20009"
    }
  ]
}

{
  "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/"
      }
    },
    "notes": [
      {
        "category": "summary",
        "text": "One of the DNS-related vulnerabilities that were reported as \"Name:Wreck\" may affect the following Siemens Energy products:\n\n-   Industrial Gas Turbines SGT-100, SGT-200, SGT-300 and SGT-400 with Allen Bradley control systems\n-   Aeroderivative Gas Turbines SGT-A20, SGT-A35 and SGT-A65 with FT125 control systems",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "Operators of critical power systems (e.g. TSOs or DSOs) worldwide are usually required by regulations to build resilience into the power grids by applying multi-level redundant secondary protection schemes. It is therefore recommended that the operators check whether appropriate resilient protection measures are in place. The risk of cyber incidents impacting the grid\u0027s reliability can thus be minimized by virtue of the grid design.\n\nSiemens Energy strongly recommends applying the provided security updates using the corresponding tooling and documented procedures made available with the product. If supported by the product, an automated means to apply the security updates across multiple product instances may be used. Siemens Energy strongly recommends prior validation of any security update before being applied, and supervision by trained staff of the update process in the target environment.\n\nAs a general security measure Siemens Energy strongly recommends to protect network access with appropriate mechanisms (e.g. firewalls, segmentation, VPN). It is advised to configure the environment according to our operational guidelines in order to run the devices in a protected IT environment.",
        "title": "General Recommendations"
      },
      {
        "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": "legal_disclaimer",
        "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens\u0027 underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter \"License Terms\"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens\u0027 Global Website (https://www.siemens.com/terms_of_use, hereinafter \"Terms of Use\"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.",
        "title": "Terms of Use"
      },
      {
        "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": "other",
        "text": "This CISA CSAF advisory was converted from Siemens ProductCERT\u0027s CSAF advisory.",
        "title": "Advisory Conversion Disclaimer"
      },
      {
        "category": "other",
        "text": "Multiple",
        "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": "SSA-553445: DNS \"Name:Wreck\" Vulnerabilities in Multiple Siemens Energy AGT and SGT solutions - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-553445.json"
      },
      {
        "category": "self",
        "summary": "SSA-553445: DNS \"Name:Wreck\" Vulnerabilities in Multiple Siemens Energy AGT and SGT solutions - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-553445.txt"
      },
      {
        "category": "self",
        "summary": "SSA-553445: DNS \"Name:Wreck\" Vulnerabilities in Multiple Siemens Energy AGT and SGT solutions - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-553445.pdf"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-21-222-06 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-222-06.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-21-222-06 - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-222-06"
      },
      {
        "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"
      }
    ],
    "title": "Siemens Energy AGT and SGT Solutions",
    "tracking": {
      "current_release_date": "2025-05-06T06:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-21-222-06",
      "initial_release_date": "2021-08-10T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2021-08-10T00:00:00.000000Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2025-05-06T06:00:00.000000Z",
          "legacy_version": "Revision",
          "number": "2",
          "summary": "Revision - Fixing typos"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
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                "product": {
                  "name": "SGT-100",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "SGT-100"
          },
          {
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                "category": "product_version_range",
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          {
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                }
              }
            ],
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          },
          {
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{
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    "aggregate_severity": {
      "text": "hoch"
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    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
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    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Nucleus Net ist der Netzwerk-Stack f\u00fcr das Nucleus RTOS Echtzeitbetriebssystem.\r\nNucleus RTOS ist ein Echtzeitbetriebssystem f\u00fcr Embedded Devices.\r\nAzure RTOS NetX ist ein TCP/IP IPv4 Embedded Network Stack, der f\u00fcr Embedded-, Echtzeit- und IoT-Anwendungen entwickelt wurde. \r\nVxWorks ist ein propriet\u00e4res Echtzeitbetriebssystem, das von Wind River Systems entwickelt wird.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Siemens Nucleus Net, Siemens Nucleus RTOS, Microsoft Azure RTOS NetX und Wind River VxWorks ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuf\u00fchren oder einen Denial of Service zu verursachen.",
        "title": "Angriff"
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        "text": "- Sonstiges",
        "title": "Betroffene Betriebssysteme"
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      "namespace": "https://www.bsi.bund.de"
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      },
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        "summary": "WID-SEC-2023-1986 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1986"
      },
      {
        "category": "external",
        "summary": "Forescout Report vom 2021-04-15",
        "url": "https://www.forescout.com/company/resources/namewreck-breaking-and-fixing-dns-implementations/"
      },
      {
        "category": "external",
        "summary": "Siemens Security Advisory by Siemens ProductCERT",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-185699.pdf"
      },
      {
        "category": "external",
        "summary": "Siemens Security Advisory by Siemens ProductCERT",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-705111.pdf"
      },
      {
        "category": "external",
        "summary": "Siemens Security Advisory SSA-180579 vom 2023-08-08",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-180579.html"
      },
      {
        "category": "external",
        "summary": "Siemens Security Advisory SSA-248289 vom 2024-02-13",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-248289.html"
      }
    ],
    "source_lang": "en-US",
    "title": "NAME:WRECK: Mehrere Schwachstellen in TCP/IP Stacks",
    "tracking": {
      "current_release_date": "2024-02-12T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:56:40.873+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
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      "initial_release_date": "2021-04-15T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-04-15T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-05-02T22:00:00.000+00:00",
          "number": "2",
          "summary": "CVE\u0027s erg\u00e4nzt"
        },
        {
          "date": "2021-11-08T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Siemens aufgenommen"
        },
        {
          "date": "2023-08-07T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Siemens aufgenommen"
        },
        {
          "date": "2024-02-12T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Siemens aufgenommen"
        }
      ],
      "status": "final",
      "version": "5"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Microsoft Azure RTOS NetX",
            "product": {
              "name": "Microsoft Azure RTOS NetX",
              "product_id": "T018910",
              "product_identification_helper": {
                "cpe": "cpe:/o:microsoft:azure_rtos_netx:-"
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          }
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        "category": "vendor",
        "name": "Microsoft"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Siemens Nucleus Net",
            "product": {
              "name": "Siemens Nucleus Net",
              "product_id": "683157",
              "product_identification_helper": {
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              "name": "Siemens Nucleus RTOS",
              "product_id": "683163",
              "product_identification_helper": {
                "cpe": "cpe:/o:siemens:nucleus_rtos:-"
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            }
          }
        ],
        "category": "vendor",
        "name": "Siemens"
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      {
        "branches": [
          {
            "category": "product_name",
            "name": "Wind River VxWorks",
            "product": {
              "name": "Wind River VxWorks",
              "product_id": "T018911",
              "product_identification_helper": {
                "cpe": "cpe:/o:windriver:vxworks:-"
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          }
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        "category": "vendor",
        "name": "Wind River"
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  "vulnerabilities": [
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      "cve": "CVE-2016-20009",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
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      "product_status": {
        "known_affected": [
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          "T018910",
          "T018911",
          "683163"
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      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2016-20009"
    },
    {
      "cve": "CVE-2020-15795",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2020-15795"
    },
    {
      "cve": "CVE-2020-27009",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2020-27009"
    },
    {
      "cve": "CVE-2020-27736",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2020-27736"
    },
    {
      "cve": "CVE-2020-27737",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2020-27737"
    },
    {
      "cve": "CVE-2020-27738",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
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      "product_status": {
        "known_affected": [
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          "T018910",
          "T018911",
          "683163"
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      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2020-27738"
    },
    {
      "cve": "CVE-2021-25663",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
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      "product_status": {
        "known_affected": [
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          "T018910",
          "T018911",
          "683163"
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      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2021-25663"
    },
    {
      "cve": "CVE-2021-25664",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
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      "product_status": {
        "known_affected": [
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          "T018910",
          "T018911",
          "683163"
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      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2021-25664"
    },
    {
      "cve": "CVE-2021-25677",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
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      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2021-25677"
    },
    {
      "cve": "CVE-2021-27393",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
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      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2021-27393"
    }
  ]
}

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        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
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      {
        "category": "description",
        "text": "Nucleus Net ist der Netzwerk-Stack f\u00fcr das Nucleus RTOS Echtzeitbetriebssystem.\r\nNucleus RTOS ist ein Echtzeitbetriebssystem f\u00fcr Embedded Devices.\r\nAzure RTOS NetX ist ein TCP/IP IPv4 Embedded Network Stack, der f\u00fcr Embedded-, Echtzeit- und IoT-Anwendungen entwickelt wurde. \r\nVxWorks ist ein propriet\u00e4res Echtzeitbetriebssystem, das von Wind River Systems entwickelt wird.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Siemens Nucleus Net, Siemens Nucleus RTOS, Microsoft Azure RTOS NetX und Wind River VxWorks ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuf\u00fchren oder einen Denial of Service zu verursachen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2023-1986 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2023-1986.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1986 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1986"
      },
      {
        "category": "external",
        "summary": "Forescout Report vom 2021-04-15",
        "url": "https://www.forescout.com/company/resources/namewreck-breaking-and-fixing-dns-implementations/"
      },
      {
        "category": "external",
        "summary": "Siemens Security Advisory by Siemens ProductCERT",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-185699.pdf"
      },
      {
        "category": "external",
        "summary": "Siemens Security Advisory by Siemens ProductCERT",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-705111.pdf"
      },
      {
        "category": "external",
        "summary": "Siemens Security Advisory SSA-180579 vom 2023-08-08",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-180579.html"
      },
      {
        "category": "external",
        "summary": "Siemens Security Advisory SSA-248289 vom 2024-02-13",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-248289.html"
      }
    ],
    "source_lang": "en-US",
    "title": "NAME:WRECK: Mehrere Schwachstellen in TCP/IP Stacks",
    "tracking": {
      "current_release_date": "2024-02-12T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:56:40.873+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-1986",
      "initial_release_date": "2021-04-15T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-04-15T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-05-02T22:00:00.000+00:00",
          "number": "2",
          "summary": "CVE\u0027s erg\u00e4nzt"
        },
        {
          "date": "2021-11-08T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Siemens aufgenommen"
        },
        {
          "date": "2023-08-07T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Siemens aufgenommen"
        },
        {
          "date": "2024-02-12T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Siemens aufgenommen"
        }
      ],
      "status": "final",
      "version": "5"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Microsoft Azure RTOS NetX",
            "product": {
              "name": "Microsoft Azure RTOS NetX",
              "product_id": "T018910",
              "product_identification_helper": {
                "cpe": "cpe:/o:microsoft:azure_rtos_netx:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Siemens Nucleus Net",
            "product": {
              "name": "Siemens Nucleus Net",
              "product_id": "683157",
              "product_identification_helper": {
                "cpe": "cpe:/a:siemens:nucleus_net:-"
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            }
          },
          {
            "category": "product_name",
            "name": "Siemens Nucleus RTOS",
            "product": {
              "name": "Siemens Nucleus RTOS",
              "product_id": "683163",
              "product_identification_helper": {
                "cpe": "cpe:/o:siemens:nucleus_rtos:-"
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            }
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Wind River VxWorks",
            "product": {
              "name": "Wind River VxWorks",
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              "product_identification_helper": {
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            }
          }
        ],
        "category": "vendor",
        "name": "Wind River"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2016-20009",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2016-20009"
    },
    {
      "cve": "CVE-2020-15795",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2020-15795"
    },
    {
      "cve": "CVE-2020-27009",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2020-27009"
    },
    {
      "cve": "CVE-2020-27736",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2020-27736"
    },
    {
      "cve": "CVE-2020-27737",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2020-27737"
    },
    {
      "cve": "CVE-2020-27738",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2020-27738"
    },
    {
      "cve": "CVE-2021-25663",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2021-25663"
    },
    {
      "cve": "CVE-2021-25664",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2021-25664"
    },
    {
      "cve": "CVE-2021-25677",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2021-25677"
    },
    {
      "cve": "CVE-2021-27393",
      "notes": [
        {
          "category": "description",
          "text": "In der DNS-Implementierung in weitgenutzten TCP/IP Stacks bestehen mehrere Schwachstellen, die sich in Server-Anwendungen, aber auch IoT und OT-Devices befinden. Sie basieren gr\u00f6\u00dftenteils auf Fehlern in der Kompressionsfunktion der DNS-Implementierung. Ein entfernter anonymer Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code mit Administratorrechten zur Ausf\u00fchrung zu bringen oder einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "683157",
          "T018910",
          "T018911",
          "683163"
        ]
      },
      "release_date": "2021-04-15T22:00:00.000+00:00",
      "title": "CVE-2021-27393"
    }
  ]
}

{
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    "description": "** UNSUPPORTED WHEN ASSIGNED ** A DNS client stack-based buffer overflow in ipdnsc_decode_name() affects Wind River VxWorks 6.5 through 7. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.",
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      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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      "id": "GSD-2016-20009",
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