ssa-538778
Vulnerability from csaf_siemens
Published
2021-05-11 00:00
Modified
2021-10-12 00:00
Summary
SSA-538778: SmartVNC Vulnerabilities in SIMATIC HMI/WinCC Products

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.


To clipboard 

{
  "document": {
    "category": "Siemens Security Advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited.",
      "tlp": {
        "label": "WHITE"
      }
    },
    "notes": [
      {
        "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"
      },
      {
        "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"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "productcert@siemens.com",
      "name": "Siemens ProductCERT",
      "namespace": "https://www.siemens.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "SSA-538778: SmartVNC Vulnerabilities in SIMATIC HMI/WinCC Products - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-538778: SmartVNC Vulnerabilities in SIMATIC HMI/WinCC Products - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-538778.txt"
      },
      {
        "category": "self",
        "summary": "SSA-538778: SmartVNC Vulnerabilities in SIMATIC HMI/WinCC Products - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-538778.json"
      }
    ],
    "title": "SSA-538778: SmartVNC Vulnerabilities in SIMATIC HMI/WinCC Products",
    "tracking": {
      "current_release_date": "2021-10-12T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-538778",
      "initial_release_date": "2021-05-11T00:00:00Z",
      "revision_history": [
        {
          "date": "2021-05-11T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2021-09-14T00:00:00Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added additional solution for all products"
        },
        {
          "date": "2021-10-12T00:00:00Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "V15 sub-version numbering correction"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V15.1 Update 6",
                "product": {
                  "name": "SIMATIC HMI Comfort Outdoor Panels V15 7\" \u0026 15\" (incl. SIPLUS variants)",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC HMI Comfort Outdoor Panels V15 7\" \u0026 15\" (incl. SIPLUS variants)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V16 Update 4",
                "product": {
                  "name": "SIMATIC HMI Comfort Outdoor Panels V16 7\" \u0026 15\" (incl. SIPLUS variants)",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC HMI Comfort Outdoor Panels V16 7\" \u0026 15\" (incl. SIPLUS variants)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V15.1 Update 6",
                "product": {
                  "name": "SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)",
                  "product_id": "3"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V16 Update 4",
                "product": {
                  "name": "SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)",
                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V15.1 Update 6",
                "product": {
                  "name": "SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
                  "product_id": "5"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V16 Update 4",
                "product": {
                  "name": "SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
                  "product_id": "6"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V15.1 Update 6",
                "product": {
                  "name": "SIMATIC WinCC Runtime Advanced V15",
                  "product_id": "7"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Runtime Advanced V15"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V16 Update 4",
                "product": {
                  "name": "SIMATIC WinCC Runtime Advanced V16",
                  "product_id": "8"
                }
              }
            ],
            "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": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "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": [
            "1",
            "3",
            "5"
          ],
          "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": [
            "2",
            "4",
            "6"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "7"
          ],
          "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": [
            "8"
          ],
          "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "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": [
            "1",
            "3",
            "5"
          ],
          "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": [
            "2",
            "4",
            "6"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "7"
          ],
          "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": [
            "8"
          ],
          "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "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": [
            "1",
            "3",
            "5"
          ],
          "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": [
            "2",
            "4",
            "6"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "7"
          ],
          "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": [
            "8"
          ],
          "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "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": [
            "1",
            "3",
            "5"
          ],
          "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": [
            "2",
            "4",
            "6"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "7"
          ],
          "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": [
            "8"
          ],
          "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "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": [
            "1",
            "3",
            "5"
          ],
          "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": [
            "2",
            "4",
            "6"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "7"
          ],
          "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": [
            "8"
          ],
          "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "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": [
            "1",
            "3",
            "5"
          ],
          "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": [
            "2",
            "4",
            "6"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "7"
          ],
          "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": [
            "8"
          ],
          "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "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": [
            "1",
            "3",
            "5"
          ],
          "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": [
            "2",
            "4",
            "6"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "product_ids": [
            "7"
          ],
          "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": [
            "8"
          ],
          "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "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": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "title": "CVE-2021-27386"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.