{
    "document": {
        "category": "csaf_base",
        "csaf_version": "2.0",
        "distribution": {
            "tlp": {
                "label": "WHITE"
            }
        },
        "lang": "en",
        "notes": [
            {
                "category": "legal_disclaimer",
                "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
            }
        ],
        "publisher": {
            "category": "coordinator",
            "contact_details": "cert@ncsc.nl",
            "name": "National Cyber Security Centre",
            "namespace": "https://www.ncsc.nl/"
        },
        "title": "CVE-2026-24349",
        "tracking": {
            "current_release_date": "2026-06-09T18:47:40.189147Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-24349",
            "initial_release_date": "2026-06-05T08:28:09.544078Z",
            "revision_history": [
                {
                    "date": "2026-06-05T08:28:09.544078Z",
                    "number": "1",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-06-09T10:27:22.278484Z",
                    "number": "2",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-06-09T10:27:24.578316Z",
                    "number": "3",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-09T10:38:35.307401Z",
                    "number": "4",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (3).| Products connected (3).| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-06-09T10:38:37.819080Z",
                    "number": "5",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-09T11:05:52.228383Z",
                    "number": "6",
                    "summary": "Source created.| CVE status created. (valid)| Products created (1).| References created (3)."
                },
                {
                    "date": "2026-06-09T11:05:55.512634Z",
                    "number": "7",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-09T11:36:33.494517Z",
                    "number": "8",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-09T12:36:42.212555Z",
                    "number": "9",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (6).| Product Remediations created (12).| References created (2).| CWES updated (1)."
                },
                {
                    "date": "2026-06-09T12:36:44.615295Z",
                    "number": "10",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-09T13:39:34.960770Z",
                    "number": "11",
                    "summary": "Unknown change."
                },
                {
                    "date": "2026-06-09T16:53:35.224685Z",
                    "number": "12",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-06-09T18:47:35.980073Z",
                    "number": "13",
                    "summary": "Source connected.| CVE status created. (valid)"
                }
            ],
            "status": "interim",
            "version": "13"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:all/*",
                                "product": {
                                    "name": "vers:all/*",
                                    "product_id": "CSAFPID-8086995"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<*",
                                "product": {
                                    "name": "vers:unknown/<*",
                                    "product_id": "CSAFPID-8255196"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "SIMATIC WinCC Unified PC Runtime V16"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:all/*",
                                "product": {
                                    "name": "vers:all/*",
                                    "product_id": "CSAFPID-8086998"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<*",
                                "product": {
                                    "name": "vers:unknown/<*",
                                    "product_id": "CSAFPID-8255197"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "SIMATIC WinCC Unified PC Runtime V17"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:all/*",
                                "product": {
                                    "name": "vers:all/*",
                                    "product_id": "CSAFPID-1272505"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<*",
                                "product": {
                                    "name": "vers:unknown/<*",
                                    "product_id": "CSAFPID-1296551"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "SIMATIC WinCC Unified PC Runtime V18"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:all/*",
                                "product": {
                                    "name": "vers:all/*",
                                    "product_id": "CSAFPID-1427353"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<*",
                                "product": {
                                    "name": "vers:unknown/<*",
                                    "product_id": "CSAFPID-1426416"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "SIMATIC WinCC Unified PC Runtime V19"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:all/*",
                                "product": {
                                    "name": "vers:all/*",
                                    "product_id": "CSAFPID-3047182"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<*",
                                "product": {
                                    "name": "vers:unknown/<*",
                                    "product_id": "CSAFPID-3046272"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "SIMATIC WinCC Unified PC Runtime V20"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:intdot/<21.0.2",
                                "product": {
                                    "name": "vers:intdot/<21.0.2",
                                    "product_id": "CSAFPID-8087004"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<v21update2",
                                "product": {
                                    "name": "vers:unknown/<v21update2",
                                    "product_id": "CSAFPID-8255198"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "SIMATIC WinCC Unified PC Runtime V21"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/wincc unified pc runtime v21 <update 2",
                                "product": {
                                    "name": "vers:unknown/wincc unified pc runtime v21 <update 2",
                                    "product_id": "CSAFPID-8255309"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "TIA Portal"
                    }
                ],
                "category": "vendor",
                "name": "Siemens"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-24349",
            "cwe": {
                "id": "CWE-313",
                "name": "Cleartext Storage in a File or on Disk"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V18 (All versions), SIMATIC WinCC Unified PC Runtime V19 (All versions), SIMATIC WinCC Unified PC Runtime V20 (All versions), SIMATIC WinCC Unified PC Runtime V21 (All versions < V21 Update 2). Insufficient protection of key material in WinCC Certificate Manager that could allow an attacker to extract sensitive information.",
                    "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/24xxx/CVE-2026-24349.json"
                },
                {
                    "category": "description",
                    "text": "A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V18 (All versions), SIMATIC WinCC Unified PC Runtime V19 (All versions), SIMATIC WinCC Unified PC Runtime V20 (All versions), SIMATIC WinCC Unified PC Runtime V21 (All versions < V21 Update 2). Insufficient protection of key material in WinCC Certificate Manager that could allow an attacker to extract sensitive information.",
                    "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-24349"
                },
                {
                    "category": "description",
                    "text": "Insufficient protection of key material in WinCC Certificate Manager that could allow an attacker to extract sensitive information.",
                    "title": "siemens - https://cert-portal.siemens.com/productcert/csaf/ssa-063511.json"
                },
                {
                    "category": "other",
                    "text": "5e-05",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
                    "title": "CVSSV4"
                },
                {
                    "category": "other",
                    "text": "8.2",
                    "title": "CVSSV4 base score"
                },
                {
                    "category": "other",
                    "text": "5.7",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "Is related to a product by vendor Siemens, There is cvss data available from source Siemens, VENDOR FIX as product remediation category",
                    "title": "NCSC Score top increasing factors"
                },
                {
                    "category": "other",
                    "text": "NO FIX PLANNED as product remediation category, Is related to (a version of) an uncommon product, There is cwe data available from source Nvd",
                    "title": "NCSC Score top decreasing factors"
                }
            ],
            "product_status": {
                "known_affected": [
                    "CSAFPID-1296551",
                    "CSAFPID-1426416",
                    "CSAFPID-3046272",
                    "CSAFPID-8255196",
                    "CSAFPID-8255197",
                    "CSAFPID-8255198",
                    "CSAFPID-8255309",
                    "CSAFPID-1272505",
                    "CSAFPID-1427353",
                    "CSAFPID-3047182",
                    "CSAFPID-8086995",
                    "CSAFPID-8086998",
                    "CSAFPID-8087004"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-24349"
                },
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/24xxx/CVE-2026-24349.json"
                },
                {
                    "category": "external",
                    "summary": "Source - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1826.json"
                },
                {
                    "category": "external",
                    "summary": "Source - siemens",
                    "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-063511.json"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=10000"
                },
                {
                    "category": "external",
                    "summary": "Source - ncscclear",
                    "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0187"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde; cveprojectv5; nvd; siemens",
                    "url": "https://cert-portal.siemens.com/productcert/html/ssa-063511.html"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1826.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1826"
                },
                {
                    "category": "external",
                    "summary": "Reference - siemens",
                    "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-063511.json"
                }
            ],
            "remediations": [
                {
                    "category": "mitigation",
                    "details": "The affected product may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions. Qualified personnel are those who, based on their training and experience, are capable of identifying risks and avoiding potential hazards when working with the affected product.",
                    "product_ids": [
                        "CSAFPID-1272505",
                        "CSAFPID-1427353",
                        "CSAFPID-3047182",
                        "CSAFPID-8086995",
                        "CSAFPID-8086998",
                        "CSAFPID-8087004"
                    ]
                },
                {
                    "category": "no_fix_planned",
                    "details": "Currently no fix is planned",
                    "product_ids": [
                        "CSAFPID-1272505",
                        "CSAFPID-1427353",
                        "CSAFPID-3047182",
                        "CSAFPID-8086995",
                        "CSAFPID-8086998"
                    ]
                },
                {
                    "category": "vendor_fix",
                    "details": "Update to V21 Update 2 or later version",
                    "product_ids": [
                        "CSAFPID-8087004"
                    ],
                    "url": "https://support.industry.siemens.com/cs/ww/en/view/109991140/"
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
                        "baseScore": 7.1,
                        "baseSeverity": "HIGH"
                    },
                    "products": [
                        "CSAFPID-1272505",
                        "CSAFPID-1296551",
                        "CSAFPID-1426416",
                        "CSAFPID-1427353",
                        "CSAFPID-3046272",
                        "CSAFPID-3047182",
                        "CSAFPID-8086995",
                        "CSAFPID-8086998",
                        "CSAFPID-8087004",
                        "CSAFPID-8255196",
                        "CSAFPID-8255197",
                        "CSAFPID-8255198",
                        "CSAFPID-8255309"
                    ]
                }
            ],
            "title": "CVE-2026-24349"
        }
    ]
}