ICSA-21-131-12
Vulnerability from csaf_cisa
Published
2021-05-11 00:00
Modified
2025-05-06 06:00
Summary
Siemens SIMATIC SmartVNC HMI WinCC Products (Update B)

Notes

Summary
Multiple SmartVNC vulnerabilities in the affected products listed below could allow remote code execution and Denial-of-Service attacks under certain conditions. Siemens has released updates for the affected products and recommends to update to the latest version.
General Recommendations
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' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Terms of Use
Siemens Security Advisories are subject to the terms and conditions contained in Siemens' 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' 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.
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/.
Advisory Conversion Disclaimer
This CISA CSAF advisory was converted from Siemens ProductCERT's CSAF advisory.
Critical infrastructure sectors
Multiple
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
CISA recommends users take defensive measures to minimize the exploitation risk of this vulnerability.
Recommended Practices
Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the internet.
Recommended Practices
Locate control system networks and remote devices behind firewalls and isolate them from business networks.
Recommended Practices
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.
Recommended Practices
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
Recommended Practices
CISA also provides a section for control systems security recommended practices on the ICS webpage 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.
Recommended Practices
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.
Recommended Practices
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.


To clipboard 

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        "summary": "reporting these vulnerabilities to CISA."
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    "category": "csaf_security_advisory",
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    "distribution": {
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      {
        "category": "summary",
        "text": "Multiple SmartVNC vulnerabilities in the affected products listed below could allow remote code execution and Denial-of-Service attacks under certain conditions.\n\nSiemens has released updates for the affected products and recommends to update to the latest version.",
        "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: 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",
        "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"
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      {
        "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"
      },
      {
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        "text": "This CISA CSAF advisory was converted from Siemens ProductCERT\u0027s CSAF advisory.",
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        "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"
      },
      {
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        "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"
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    "publisher": {
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      "contact_details": "central@cisa.dhs.gov",
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      "namespace": "https://www.cisa.gov/"
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    "references": [
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        "category": "self",
        "summary": "SSA-538778: SmartVNC Vulnerabilities in SIMATIC HMI/WinCC Products - CSAF Version",
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      },
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      },
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        "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01"
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        "url": "https://www.cisa.gov/resources-tools/resources/ics-recommended-practices"
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        "url": "https://www.cisa.gov/topics/industrial-control-systems"
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      {
        "category": "external",
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        "url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B"
      }
    ],
    "title": "Siemens SIMATIC SmartVNC HMI WinCC Products (Update B)",
    "tracking": {
      "current_release_date": "2025-05-06T06:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-21-131-12",
      "initial_release_date": "2021-05-11T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2021-05-11T00:00:00.000000Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2021-09-14T00:00:00.000000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added additional solution for all products"
        },
        {
          "date": "2021-10-12T00:00:00.000000Z",
          "legacy_version": "1.2",
          "number": "3",
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        },
        {
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          "legacy_version": "Revision",
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  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV15.1_Update_6",
                "product": {
                  "name": "SIMATIC HMI Comfort Outdoor Panels V15 7\" \u0026 15\" (incl. SIPLUS variants)",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
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                  "product_id": "CSAFPID-0002"
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                  "product_id": "CSAFPID-0003"
                }
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            ],
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                  "product_id": "CSAFPID-0006"
                }
              }
            ],
            "category": "product_name",
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                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Runtime Advanced V16"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-25660",
      "cwe": {
        "id": "CWE-788",
        "name": "Access of Memory Location After End of Buffer"
      },
      "notes": [
        {
          "category": "summary",
          "text": "SmartVNC has an out-of-bounds memory access vulnerability that could be triggered on the server side when sending data from the client, which could result in a Denial-of-Service condition.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-25660 - SIMATIC HMI Comfort Outdoor Panels V15 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-25660 - SIMATIC HMI Comfort Outdoor Panels V16 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-25660 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-25660 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-25660 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-25660 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-25660 - SIMATIC WinCC Runtime Advanced V15",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-25660 - SIMATIC WinCC Runtime Advanced V16",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2021-25660 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-25660.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0003",
            "CSAFPID-0005"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0002",
            "CSAFPID-0004",
            "CSAFPID-0006"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0007"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0008"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "title": "CVE-2021-25660"
    },
    {
      "cve": "CVE-2021-25661",
      "cwe": {
        "id": "CWE-788",
        "name": "Access of Memory Location After End of Buffer"
      },
      "notes": [
        {
          "category": "summary",
          "text": "SmartVNC has an out-of-bounds memory access vulnerability that could be triggered on the client side when sending data from the server, which could result in a Denial-of-Service condition.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-25661 - SIMATIC HMI Comfort Outdoor Panels V15 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-25661 - SIMATIC HMI Comfort Outdoor Panels V16 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-25661 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-25661 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-25661 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-25661 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-25661 - SIMATIC WinCC Runtime Advanced V15",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-25661 - SIMATIC WinCC Runtime Advanced V16",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2021-25661 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-25661.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0003",
            "CSAFPID-0005"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0002",
            "CSAFPID-0004",
            "CSAFPID-0006"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0007"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0008"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "title": "CVE-2021-25661"
    },
    {
      "cve": "CVE-2021-25662",
      "cwe": {
        "id": "CWE-755",
        "name": "Improper Handling of Exceptional Conditions"
      },
      "notes": [
        {
          "category": "summary",
          "text": "SmartVNC client fails to handle an exception properly if the program execution process is modified after sending a packet from the server, which could result in a Denial-of-Service condition.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-25662 - SIMATIC HMI Comfort Outdoor Panels V15 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-25662 - SIMATIC HMI Comfort Outdoor Panels V16 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-25662 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-25662 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-25662 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-25662 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-25662 - SIMATIC WinCC Runtime Advanced V15",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-25662 - SIMATIC WinCC Runtime Advanced V16",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2021-25662 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-25662.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0003",
            "CSAFPID-0005"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0002",
            "CSAFPID-0004",
            "CSAFPID-0006"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0007"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0008"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "title": "CVE-2021-25662"
    },
    {
      "cve": "CVE-2021-27383",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "notes": [
        {
          "category": "summary",
          "text": "SmartVNC has a heap allocation leak vulnerability in the server Tight encoder, which could result in a Denial-of-Service condition.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-27383 - SIMATIC HMI Comfort Outdoor Panels V15 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27383 - SIMATIC HMI Comfort Outdoor Panels V16 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-27383 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27383 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-27383 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27383 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-27383 - SIMATIC WinCC Runtime Advanced V15",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27383 - SIMATIC WinCC Runtime Advanced V16",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2021-27383 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27383.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0003",
            "CSAFPID-0005"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0002",
            "CSAFPID-0004",
            "CSAFPID-0006"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0007"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0008"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "title": "CVE-2021-27383"
    },
    {
      "cve": "CVE-2021-27384",
      "cwe": {
        "id": "CWE-788",
        "name": "Access of Memory Location After End of Buffer"
      },
      "notes": [
        {
          "category": "summary",
          "text": "SmartVNC has an out-of-bounds memory access vulnerability in the device layout handler, represented by a binary data stream on client side, which can potentially result in code execution.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-27384 - SIMATIC HMI Comfort Outdoor Panels V15 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27384 - SIMATIC HMI Comfort Outdoor Panels V16 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-27384 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27384 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-27384 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27384 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-27384 - SIMATIC WinCC Runtime Advanced V15",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27384 - SIMATIC WinCC Runtime Advanced V16",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2021-27384 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27384.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0003",
            "CSAFPID-0005"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0002",
            "CSAFPID-0004",
            "CSAFPID-0006"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0007"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0008"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "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"
          ]
        }
      ],
      "title": "CVE-2021-27384"
    },
    {
      "cve": "CVE-2021-27385",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "notes": [
        {
          "category": "summary",
          "text": "A remote attacker could send specially crafted packets to SmartVNC device layout handler on client side, which could influence the amount of resources consumed and result in a Denial-of-Service (infinite loop) condition.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-27385 - SIMATIC HMI Comfort Outdoor Panels V15 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27385 - SIMATIC HMI Comfort Outdoor Panels V16 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-27385 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27385 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-27385 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27385 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-27385 - SIMATIC WinCC Runtime Advanced V15",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27385 - SIMATIC WinCC Runtime Advanced V16",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2021-27385 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27385.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0003",
            "CSAFPID-0005"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0002",
            "CSAFPID-0004",
            "CSAFPID-0006"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0007"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0008"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "title": "CVE-2021-27385"
    },
    {
      "cve": "CVE-2021-27386",
      "cwe": {
        "id": "CWE-401",
        "name": "Missing Release of Memory after Effective Lifetime"
      },
      "notes": [
        {
          "category": "summary",
          "text": "SmartVNC has a heap allocation leak vulnerability in the device layout handler on client side, which could result in a Denial-of-Service condition.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-27386 - SIMATIC HMI Comfort Outdoor Panels V15 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27386 - SIMATIC HMI Comfort Outdoor Panels V16 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-27386 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27386 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-27386 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27386 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2021-27386 - SIMATIC WinCC Runtime Advanced V15",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "summary": "CVE-2021-27386 - SIMATIC WinCC Runtime Advanced V16",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2021-27386 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27386.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0003",
            "CSAFPID-0005"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0002",
            "CSAFPID-0004",
            "CSAFPID-0006"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "CSAFPID-0007"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0008"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008"
          ]
        }
      ],
      "title": "CVE-2021-27386"
    }
  ]
}


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