icsa-21-103-07
Vulnerability from csaf_cisa
Published
2021-04-13 00:00
Modified
2021-09-14 00:00
Summary
Siemens Web Server of SCALANCE X200 (Update A)

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 cause a buffer overflow condition resulting in remote code execution.
Critical infrastructure sectors
Critical Manufacturing
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
Recommended Practices
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.cisa.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Recommended Practices
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.cisa.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.
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 these vulnerabilities.


To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "organization": "Siemens",
        "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-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 cause a buffer overflow condition resulting in remote code execution.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Critical Manufacturing",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Germany",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.\nCISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.cisa.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.cisa.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.\nOrganizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.",
        "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 these vulnerabilities.",
        "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-187092: Several Buffer-Overflow Vulnerabilities in Web Server of SCALANCE X-200 - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-187092.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-21-103-07 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-103-07.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-21-103-07 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-103-07"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-10-301-01"
      },
      {
        "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://us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B"
      },
      {
        "category": "external",
        "summary": "SSA-187092: Several Buffer-Overflow Vulnerabilities in Web Server of SCALANCE X-200 - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-187092.pdf"
      },
      {
        "category": "external",
        "summary": "SSA-187092: Several Buffer-Overflow Vulnerabilities in Web Server of SCALANCE X-200 - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-187092.txt"
      }
    ],
    "title": "Siemens  Web Server of SCALANCE X200 (Update A)",
    "tracking": {
      "current_release_date": "2021-09-14T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-21-103-07",
      "initial_release_date": "2021-04-13T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2021-04-13T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-21-103-07 Siemens Web Server of Scalance X200"
        },
        {
          "date": "2021-09-14T00:00:00.000000Z",
          "legacy_version": "A",
          "number": "2",
          "summary": "ICSA-21-103-07 Siemens Web Server of SCALANCE X200 (Update A)"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 5.5.1",
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                  "product_id": "CSAFPID-0001"
                }
              }
            ],
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          },
          {
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            ],
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            "name": "SCALANCE X212-2LD"
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          {
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                  "product_id": "CSAFPID-00020"
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE X216"
          },
          {
            "branches": [
              {
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                }
              }
            ],
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          },
          {
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                  "product_id": "CSAFPID-00026"
                }
              }
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                }
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                }
              }
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          },
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                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE XF208"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-25668",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Incorrect processing of POST requests in the webserver may result in write out of bounds in heap. An attacker might leverage this to cause denial-of-service on the device and potentially remotely execute code.",
          "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",
          "CSAFPID-00024",
          "CSAFPID-00025",
          "CSAFPID-00026",
          "CSAFPID-00027",
          "CSAFPID-00028",
          "CSAFPID-00029"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-25668 - SCALANCE X200-4P IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X201-3P IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X201-3P IRT PRO",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X202-2 IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X202-2P IRT (incl. SIPLUS NET variant)",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X202-2P IRT PRO",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X204 IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X204 IRT PRO",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X204-2 (incl. SIPLUS NET variant)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X204-2FM",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X204-2LD (incl. SIPLUS NET variant)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X204-2LD TS",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X204-2TS",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X206-1",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X206-1LD",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X208 (incl. SIPLUS NET variant)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X208PRO",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X212-2 (incl. SIPLUS NET variant)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X212-2LD",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X216",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE X224",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE XF201-3P IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE XF202-2P IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE XF204",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE XF204 IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE XF204-2 (incl. SIPLUS NET variant)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE XF204-2BA IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE XF206-1",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 - SCALANCE XF208",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25668 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-25668.json"
        },
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-25668"
        },
        {
          "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:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V5.5.1 or later version",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-00022",
            "CSAFPID-00023",
            "CSAFPID-00025",
            "CSAFPID-00027"
          ],
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V5.2.5 or later version",
          "product_ids": [
            "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-00024",
            "CSAFPID-00026",
            "CSAFPID-00028",
            "CSAFPID-00029"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "category": "mitigation",
          "details": "Limit network traffic of web servers of SCALANCE X switches to trusted connections by firewall rules (port 443/tcp and 80/tcp).",
          "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",
            "CSAFPID-00024",
            "CSAFPID-00025",
            "CSAFPID-00026",
            "CSAFPID-00027",
            "CSAFPID-00028",
            "CSAFPID-00029"
          ]
        },
        {
          "category": "mitigation",
          "details": "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: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
          "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",
            "CSAFPID-00024",
            "CSAFPID-00025",
            "CSAFPID-00026",
            "CSAFPID-00027",
            "CSAFPID-00028",
            "CSAFPID-00029"
          ]
        }
      ],
      "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: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",
            "CSAFPID-00024",
            "CSAFPID-00025",
            "CSAFPID-00026",
            "CSAFPID-00027",
            "CSAFPID-00028",
            "CSAFPID-00029"
          ]
        }
      ],
      "title": "CVE-2021-25668"
    },
    {
      "cve": "CVE-2021-25669",
      "cwe": {
        "id": "CWE-121",
        "name": "Stack-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Incorrect processing of POST requests in the web server may write out of bounds in stack. An attacker might leverage this to denial-of-service of the device or remote code execution.",
          "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",
          "CSAFPID-00024",
          "CSAFPID-00025",
          "CSAFPID-00026",
          "CSAFPID-00027",
          "CSAFPID-00028",
          "CSAFPID-00029"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-25669 - SCALANCE X200-4P IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X201-3P IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X201-3P IRT PRO",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X202-2 IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X202-2P IRT (incl. SIPLUS NET variant)",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X202-2P IRT PRO",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X204 IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X204 IRT PRO",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X204-2 (incl. SIPLUS NET variant)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X204-2FM",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X204-2LD (incl. SIPLUS NET variant)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X204-2LD TS",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X204-2TS",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X206-1",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X206-1LD",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X208 (incl. SIPLUS NET variant)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X208PRO",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X212-2 (incl. SIPLUS NET variant)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X212-2LD",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X216",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE X224",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE XF201-3P IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE XF202-2P IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE XF204",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE XF204 IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE XF204-2 (incl. SIPLUS NET variant)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE XF204-2BA IRT",
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE XF206-1",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 - SCALANCE XF208",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "summary": "CVE-2021-25669 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-25669.json"
        },
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-25669"
        },
        {
          "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:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V5.5.1 or later version",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-00022",
            "CSAFPID-00023",
            "CSAFPID-00025",
            "CSAFPID-00027"
          ],
          "url": "https://support.industry.siemens.com/cs/us/en/view/109793952/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V5.2.5 or later version",
          "product_ids": [
            "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-00024",
            "CSAFPID-00026",
            "CSAFPID-00028",
            "CSAFPID-00029"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/"
        },
        {
          "category": "mitigation",
          "details": "Limit network traffic of web servers of SCALANCE X switches to trusted connections by firewall rules (port 443/tcp and 80/tcp).",
          "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",
            "CSAFPID-00024",
            "CSAFPID-00025",
            "CSAFPID-00026",
            "CSAFPID-00027",
            "CSAFPID-00028",
            "CSAFPID-00029"
          ]
        },
        {
          "category": "mitigation",
          "details": "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: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
          "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",
            "CSAFPID-00024",
            "CSAFPID-00025",
            "CSAFPID-00026",
            "CSAFPID-00027",
            "CSAFPID-00028",
            "CSAFPID-00029"
          ]
        }
      ],
      "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: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",
            "CSAFPID-00024",
            "CSAFPID-00025",
            "CSAFPID-00026",
            "CSAFPID-00027",
            "CSAFPID-00028",
            "CSAFPID-00029"
          ]
        }
      ],
      "title": "CVE-2021-25669"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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