ICSA-21-131-11
Vulnerability from csaf_cisa
Published
2021-05-11 00:00
Modified
2025-05-06 06:00
Summary
Siemens SIMATIC UltraVNC HMI WinCC Products

Notes

Summary
UltraVNC vulnerabilities in the affected products listed below could allow remote code execution, information disclosure and Denial-of-Service attacks under certain conditions. Siemens has released updates for the affected products and recommends to update to the latest versions.
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.


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{
  "document": {
    "acknowledgments": [
      {
        "organization": "Siemens ProductCERT",
        "summary": "reporting these vulnerabilities to CISA."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited",
      "tlp": {
        "label": "WHITE",
        "url": "https://us-cert.cisa.gov/tlp/"
      }
    },
    "notes": [
      {
        "category": "summary",
        "text": "UltraVNC vulnerabilities in the affected products listed below could allow remote code execution, information disclosure and Denial-of-Service attacks under certain conditions.\n\nSiemens has released updates for the affected products and recommends to update to the latest versions.",
        "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"
      },
      {
        "category": "legal_disclaimer",
        "text": "All information products included in https://us-cert.cisa.gov/ics are provided \"as is\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.",
        "title": "Legal Notice"
      },
      {
        "category": "other",
        "text": "This CISA CSAF advisory was converted from Siemens ProductCERT\u0027s CSAF advisory.",
        "title": "Advisory Conversion Disclaimer"
      },
      {
        "category": "other",
        "text": "Multiple",
        "title": "Critical infrastructure sectors"
      },
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        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Germany",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA recommends users take defensive measures to minimize the exploitation risk of this vulnerability.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the internet.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Locate control system networks and remote devices behind firewalls and isolate them from business networks.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most recent version available. Also recognize VPN is only as secure as its connected devices.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "central@cisa.dhs.gov",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
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        "category": "self",
        "summary": "SSA-940818: UltraVNC Vulnerabilities in SIMATIC HMIs/WinCC Products - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-940818.json"
      },
      {
        "category": "self",
        "summary": "SSA-940818: UltraVNC Vulnerabilities in SIMATIC HMIs/WinCC Products - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-940818.txt"
      },
      {
        "category": "self",
        "summary": "SSA-940818: UltraVNC Vulnerabilities in SIMATIC HMIs/WinCC Products - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-21-131-11 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-131-11.json"
      },
      {
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        "summary": "ICS Advisory ICSA-21-131-11 - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-131-11"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/resources-tools/resources/ics-recommended-practices"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/topics/industrial-control-systems"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B"
      }
    ],
    "title": "Siemens SIMATIC UltraVNC HMI WinCC Products",
    "tracking": {
      "current_release_date": "2025-05-06T06:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-21-131-11",
      "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": "2025-05-06T06:00:00.000000Z",
          "legacy_version": "Revision",
          "number": "2",
          "summary": "Revision - Fixing typos"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV16_Update_4",
                "product": {
                  "name": "SIMATIC HMI Comfort Outdoor Panels 7\" \u0026 15\" (incl. SIPLUS variants)",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC HMI Comfort Outdoor Panels 7\" \u0026 15\" (incl. SIPLUS variants)"
          },
          {
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                "name": "\u003cV16_Update_4",
                "product": {
                  "name": "SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)"
          },
          {
            "branches": [
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                "name": "\u003cV16_Update_4",
                "product": {
                  "name": "SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV16_Update_4",
                "product": {
                  "name": "SIMATIC WinCC Runtime Advanced",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Runtime Advanced"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-8259",
      "cwe": {
        "id": "CWE-665",
        "name": "Improper Initialization"
      },
      "notes": [
        {
          "category": "summary",
          "text": "UltraVNC revision 1198 contains multiple memory leaks in VNC client code, which could allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This vulnerability appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1199.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "summary": "CVE-2019-8259 - SIMATIC HMI Comfort Outdoor Panels 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8259 - SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8259 - SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8259 - SIMATIC WinCC Runtime Advanced",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2019-8259 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-8259.json"
        }
      ],
      "remediations": [
        {
          "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-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "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"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        }
      ],
      "title": "CVE-2019-8259"
    },
    {
      "cve": "CVE-2019-8260",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "notes": [
        {
          "category": "summary",
          "text": "UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC client RRE decoder code, caused by multiplication overflow. This vulnerability appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1200.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "summary": "CVE-2019-8260 - SIMATIC HMI Comfort Outdoor Panels 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8260 - SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8260 - SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8260 - SIMATIC WinCC Runtime Advanced",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2019-8260 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-8260.json"
        }
      ],
      "remediations": [
        {
          "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-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "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"
          ]
        }
      ],
      "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"
          ]
        }
      ],
      "title": "CVE-2019-8260"
    },
    {
      "cve": "CVE-2019-8261",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "notes": [
        {
          "category": "summary",
          "text": "UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC code inside client CoRRE decoder, caused by multiplication overflow. This vulnerability appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1200.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "summary": "CVE-2019-8261 - SIMATIC HMI Comfort Outdoor Panels 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8261 - SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8261 - SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8261 - SIMATIC WinCC Runtime Advanced",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2019-8261 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-8261.json"
        }
      ],
      "remediations": [
        {
          "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-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "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"
          ]
        }
      ],
      "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"
          ]
        }
      ],
      "title": "CVE-2019-8261"
    },
    {
      "cve": "CVE-2019-8262",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "summary",
          "text": "UltraVNC revision 1203 has multiple heap buffer overflow vulnerabilities in VNC client code inside Ultra decoder, which could result in code execution. This vulnerability appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1204.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "summary": "CVE-2019-8262 - SIMATIC HMI Comfort Outdoor Panels 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8262 - SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8262 - SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8262 - SIMATIC WinCC Runtime Advanced",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2019-8262 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-8262.json"
        }
      ],
      "remediations": [
        {
          "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-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "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"
          ]
        }
      ],
      "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"
          ]
        }
      ],
      "title": "CVE-2019-8262"
    },
    {
      "cve": "CVE-2019-8263",
      "cwe": {
        "id": "CWE-121",
        "name": "Stack-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "summary",
          "text": "UltraVNC revision 1205 has a stack-based buffer overflow vulnerability in VNC client code inside ShowConnInfo routine, which could lead to a denial of service (DoS) condition. This vulnerability appear to be exploitable via network connectivity. User interaction is required to trigger this vulnerability. This vulnerability has been fixed in revision 1206.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "summary": "CVE-2019-8263 - SIMATIC HMI Comfort Outdoor Panels 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8263 - SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8263 - SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8263 - SIMATIC WinCC Runtime Advanced",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2019-8263 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-8263.json"
        }
      ],
      "remediations": [
        {
          "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-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "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"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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"
          ]
        }
      ],
      "title": "CVE-2019-8263"
    },
    {
      "cve": "CVE-2019-8264",
      "cwe": {
        "id": "CWE-788",
        "name": "Access of Memory Location After End of Buffer"
      },
      "notes": [
        {
          "category": "summary",
          "text": "UltraVNC revision 1203 has a out-of-bounds access vulnerability in VNC client inside Ultra2 decoder, which can potentially result in code execution. This vulnerability appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1204.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "summary": "CVE-2019-8264 - SIMATIC HMI Comfort Outdoor Panels 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8264 - SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8264 - SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8264 - SIMATIC WinCC Runtime Advanced",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2019-8264 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-8264.json"
        }
      ],
      "remediations": [
        {
          "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-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "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"
          ]
        }
      ],
      "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"
          ]
        }
      ],
      "title": "CVE-2019-8264"
    },
    {
      "cve": "CVE-2019-8265",
      "cwe": {
        "id": "CWE-788",
        "name": "Access of Memory Location After End of Buffer"
      },
      "notes": [
        {
          "category": "summary",
          "text": "UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of SETPIXELS macro in VNC client code, which can potentially result in code execution. This vulnerability appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1208.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "summary": "CVE-2019-8265 - SIMATIC HMI Comfort Outdoor Panels 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8265 - SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8265 - SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8265 - SIMATIC WinCC Runtime Advanced",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2019-8265 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-8265.json"
        }
      ],
      "remediations": [
        {
          "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-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "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"
          ]
        }
      ],
      "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"
          ]
        }
      ],
      "title": "CVE-2019-8265"
    },
    {
      "cve": "CVE-2019-8275",
      "cwe": {
        "id": "CWE-170",
        "name": "Improper Null Termination"
      },
      "notes": [
        {
          "category": "summary",
          "text": "UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which could result in out-of-bound data being accessed by remote users. This vulnerability appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "summary": "CVE-2019-8275 - SIMATIC HMI Comfort Outdoor Panels 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8275 - SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8275 - SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8275 - SIMATIC WinCC Runtime Advanced",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2019-8275 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-8275.json"
        }
      ],
      "remediations": [
        {
          "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-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "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"
          ]
        }
      ],
      "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"
          ]
        }
      ],
      "title": "CVE-2019-8275"
    },
    {
      "cve": "CVE-2019-8277",
      "cwe": {
        "id": "CWE-665",
        "name": "Improper Initialization"
      },
      "notes": [
        {
          "category": "summary",
          "text": "UltraVNC revision 1211 contains multiple memory leaks in VNC server code, which could allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This vulnerability appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "summary": "CVE-2019-8277 - SIMATIC HMI Comfort Outdoor Panels 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8277 - SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8277 - SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8277 - SIMATIC WinCC Runtime Advanced",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2019-8277 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-8277.json"
        }
      ],
      "remediations": [
        {
          "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-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "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"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        }
      ],
      "title": "CVE-2019-8277"
    },
    {
      "cve": "CVE-2019-8280",
      "cwe": {
        "id": "CWE-788",
        "name": "Access of Memory Location After End of Buffer"
      },
      "notes": [
        {
          "category": "summary",
          "text": "UltraVNC revision 1203 has out-of-bounds access vulnerability in VNC client inside RAW decoder, which can potentially result in code execution. This vulnerability appear to be exploitable via network connectivity. This vulnerability has been fixed in revision 1204.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "summary": "CVE-2019-8280 - SIMATIC HMI Comfort Outdoor Panels 7\" \u0026 15\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8280 - SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8280 - SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "summary": "CVE-2019-8280 - SIMATIC WinCC Runtime Advanced",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "summary": "CVE-2019-8280 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-8280.json"
        }
      ],
      "remediations": [
        {
          "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-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "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"
          ]
        }
      ],
      "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"
          ]
        }
      ],
      "title": "CVE-2019-8280"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.