{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "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": "Die SIMATIC S7 ist eine Serie von SPS (Speicherprogrammierbare Steuerungen) f\u00fcr Automatisierungsanwendungen.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Siemens SIMATIC S7-400 CPUs ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "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-2023-3101 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-3101.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-3101 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-3101"
      },
      {
        "category": "external",
        "summary": "Siemens Security Advisory by Siemens ProductCERT vom 2023-12-11",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-892915.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Siemens SIMATIC S7-400 CPU: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
    "tracking": {
      "current_release_date": "2023-12-11T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:53:42.651+00:00",
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      "revision_history": [
        {
          "date": "2023-12-11T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
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        "branches": [
          {
            "category": "product_name",
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            "product": {
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  "vulnerabilities": [
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      "cve": "CVE-2022-47374",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Siemens SIMATIC S7-400 CPUs. Der Webserver verarbeitet HTTP(S)-Anfragen nicht korrekt, was dazu f\u00fchren kann, dass s\u00e4mtliche Systemressourcen ersch\u00f6pft werden. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
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        ]
      },
      "release_date": "2023-12-11T23:00:00Z",
      "title": "CVE-2022-47374"
    },
    {
      "cve": "CVE-2022-47375",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Siemens SIMATIC S7-400 CPUs. Im Webserver werden \u00fcberlange Dateinamen nicht sachgem\u00e4\u00df verarbeitet, was zu einem Puffer\u00fcberlauf f\u00fchren kann. Ein Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen."
        }
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      "product_status": {
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      "release_date": "2023-12-11T23:00:00Z",
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        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability has been identified in SIMATIC\u00a0PC-Station Plus (All versions), SIMATIC S7-400 CPU 412-2 PN V7 (All versions), SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions), SINAMICS S120 (incl. SIPLUS variants) (All versions \u003c V5.2 SP3 HF15), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions). The affected products do not handle HTTP(S) requests to the web server correctly.\r\n\r\nThis could allow an attacker to exhaust system resources and create a denial of service condition for the device."
          },
          {
            "lang": "es",
            "value": "Se ha identificado una vulnerabilidad en:\nSIMATIC PC-Station Plus (todas las versiones), \nSIMATIC S7-400 CPU 412-2 PN V7 (todas las versiones), \nSIMATIC S7-400 CPU 414-3 PN/DP V7 (todas las versiones), \nSIMATIC S7 -400 CPU 414F-3 PN/DP V7 (todas las versiones), \nSIMATIC S7-400 CPU 416-3 PN/DP V7 (todas las versiones), \nSIMATIC S7-400 CPU 416F-3 PN/DP V7 (todas las versiones), \nSINAMICS S120 (incl. variantes SIPLUS) (todas las versiones \u0026lt; V5.2 SP3 HF15), \nSIPLUS S7-400 CPU 414-3 PN/DP V7 (todas las versiones), \nSIPLUS S7-400 CPU 416-3 PN/DP V7 (todas las versiones) ). \nLos productos afectados no manejan correctamente las solicitudes HTTP(S) al servidor web. Esto podr\u00eda permitir que un atacante agote los recursos del sistema y cree una condici\u00f3n de denegaci\u00f3n de servicio para el dispositivo."
          }
        ],
        "id": "CVE-2022-47374",
        "lastModified": "2023-12-18T14:52:16.673",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "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"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "productcert@siemens.com",
              "type": "Primary"
            }
          ]
        },
        "published": "2023-12-12T12:15:10.563",
        "references": [
          {
            "source": "productcert@siemens.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-892915.pdf"
          }
        ],
        "sourceIdentifier": "productcert@siemens.com",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-674"
              }
            ],
            "source": "productcert@siemens.com",
            "type": "Primary"
          }
        ]
      }
    }
  }
}

{
  "document": {
    "acknowledgments": [
      {
        "organization": "Siemens ProductCERT",
        "summary": "reporting these vulnerabilities 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",
    "notes": [
      {
        "category": "summary",
        "text": "Multiple vulnerabilities in the affected products could allow an unauthorized attacker with network access to the webserver to perform a denial of service attack.\n\nSiemens has released a new version for SINAMICS S120 (incl. SIPLUS variants) and recommends to update to the latest version. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: \nhttps://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
        "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 this vulnerability.",
        "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-892915: Multiple Denial of Service Vulnerabilities in the Webserver of Industrial Products - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-892915.json"
      },
      {
        "category": "self",
        "summary": "SSA-892915: Multiple Denial of Service Vulnerabilities in the Webserver of Industrial Products - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-892915.html"
      },
      {
        "category": "self",
        "summary": "SSA-892915: Multiple Denial of Service Vulnerabilities in the Webserver of Industrial Products - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-892915.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-892915: Multiple Denial of Service Vulnerabilities in the Webserver of Industrial Products - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-892915.txt"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-23-348-05 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2023/icsa-23-348-05.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-23-348-05 - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-348-05"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01"
      },
      {
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        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/resources-tools/resources/ics-recommended-practices"
      },
      {
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        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/topics/industrial-control-systems"
      },
      {
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        "summary": "Recommended Practices",
        "url": "https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
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      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B"
      }
    ],
    "title": "Siemens SIMATIC and SIPLUS Products",
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        "engine": {
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      ],
      "status": "final",
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  },
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          {
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  },
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    {
      "cve": "CVE-2022-47374",
      "cwe": {
        "id": "CWE-674",
        "name": "Uncontrolled Recursion"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected products do not handle HTTP(S) requests to the web server correctly.\r\n\r\nThis could allow an attacker to exhaust system resources and create a denial of service condition for the device.",
          "title": "Summary"
        }
      ],
      "product_status": {
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          "6",
          "1",
          "2",
          "3",
          "4",
          "5",
          "7",
          "8",
          "9"
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      },
      "remediations": [
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          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "6",
            "1",
            "2",
            "3",
            "4",
            "5",
            "8",
            "9"
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          "category": "vendor_fix",
          "details": "Update to V5.2 SP3 HF15 or later version",
          "product_ids": [
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          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109780844/"
        },
        {
          "category": "workaround",
          "details": "Disable the web server of the affected system",
          "product_ids": [
            "6",
            "1",
            "2",
            "3",
            "4",
            "5",
            "7",
            "8",
            "9"
          ]
        },
        {
          "category": "workaround",
          "details": "Restrict access to webserver for trusted users only",
          "product_ids": [
            "6",
            "1",
            "2",
            "3",
            "4",
            "5",
            "7",
            "8",
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        }
      ],
      "scores": [
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          "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",
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      ],
      "title": "CVE-2022-47374"
    },
    {
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      "cwe": {
        "id": "CWE-805",
        "name": "Buffer Access with Incorrect Length Value"
      },
      "notes": [
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          "category": "summary",
          "text": "The affected products do not handle long file names correctly.\r\n\r\nThis could allow an attacker to create a buffer overflow and create a denial of service condition for the device.",
          "title": "Summary"
        }
      ],
      "product_status": {
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          "product_ids": [
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            "2",
            "3",
            "4",
            "5",
            "7",
            "8",
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        },
        {
          "category": "workaround",
          "details": "Restrict access to webserver for trusted users only",
          "product_ids": [
            "6",
            "1",
            "2",
            "3",
            "4",
            "5",
            "7",
            "8",
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          ]
        }
      ],
      "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",
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            "2",
            "3",
            "4",
            "5",
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            "8",
            "9"
          ]
        }
      ],
      "title": "CVE-2022-47375"
    }
  ]
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{
  "affected": [],
  "aliases": [
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  "id": "GHSA-cr2v-p345-fp24",
  "modified": "2023-12-12T12:30:53Z",
  "published": "2023-12-12T12:30:53Z",
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}