{ "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-2026-34223", "tracking": { "current_release_date": "2026-09-08T13:49:17.369214Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-34223", "initial_release_date": "2026-09-08T08:38:53.762466Z", "revision_history": [ { "date": "2026-09-08T08:38:53.762466Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (7).| Products connected (1).| References created (1).| CWES updated (1)." }, { "date": "2026-09-08T08:38:56.153439Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-09-08T09:32:13.412895Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-09-08T09:32:15.658437Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-09-08T11:36:12.748814Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-09-08T12:34:25.232650Z", "number": "6", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (6).| Product Remediations created (8).| Products connected (2).| Product Threats created (4).| References created (2).| CWES updated (1)." }, { "date": "2026-09-08T12:34:33.305456Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-09-08T13:47:27.281099Z", "number": "8", "summary": "Source connected.| CVE status created. (valid)" } ], "status": "interim", "version": "8" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "vers:all/*", "product_id": "CSAFPID-9162888" } }, { "category": "product_version_range", "name": "vers:unknown/<*", "product": { "name": "vers:unknown/<*", "product_id": "CSAFPID-9162098" } } ], "category": "product_name", "name": "Desigo CC ClickOnce Client V6" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "vers:all/*", "product_id": "CSAFPID-9162889" } }, { "category": "product_version_range", "name": "vers:unknown/<*", "product": { "name": "vers:unknown/<*", "product_id": "CSAFPID-9162099" } } ], "category": "product_name", "name": "Desigo CC ClickOnce Client V7" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "vers:all/*", "product_id": "CSAFPID-9162892" } }, { "category": "product_version_range", "name": "vers:unknown/<*", "product": { "name": "vers:unknown/<*", "product_id": "CSAFPID-9162101" } } ], "category": "product_name", "name": "Desigo CC Flex Client V6" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "vers:all/*", "product_id": "CSAFPID-9162893" } }, { "category": "product_version_range", "name": "vers:unknown/<*", "product": { "name": "vers:unknown/<*", "product_id": "CSAFPID-9162102" } } ], "category": "product_name", "name": "Desigo CC Flex Client V7" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "vers:all/*", "product_id": "CSAFPID-9162890" } }, { "category": "product_version_range", "name": "vers:unknown/<*", "product": { "name": "vers:unknown/<*", "product_id": "CSAFPID-9162103" } } ], "category": "product_name", "name": "Desigo CC Installed Client V6" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "vers:all/*", "product_id": "CSAFPID-9162891" } }, { "category": "product_version_range", "name": "vers:unknown/<*", "product": { "name": "vers:unknown/<*", "product_id": "CSAFPID-9162104" } } ], "category": "product_name", "name": "Desigo CC Installed Client V7" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "vers:all/*", "product_id": "CSAFPID-3054254" } }, { "category": "product_version_range", "name": "vers:unknown/<*", "product": { "name": "vers:unknown/<*", "product_id": "CSAFPID-8821713" } } ], "category": "product_name", "name": "Desigo CC family V8" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "vers:all/*", "product_id": "CSAFPID-5588134" } }, { "category": "product_version_range", "name": "vers:unknown/<*", "product": { "name": "vers:unknown/<*", "product_id": "CSAFPID-9162100" } } ], "category": "product_name", "name": "Desigo CC family V9" } ], "category": "vendor", "name": "Siemens" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-34223", "cwe": { "id": "CWE-94", "name": "Improper Control of Generation of Code ('Code Injection')" }, "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "CSAFPID-3054254", "CSAFPID-5588134", "CSAFPID-9162892", "CSAFPID-9162893" ] } ], "notes": [ { "category": "description", "text": "A vulnerability has been identified in Desigo CC ClickOnce Client V6 (All versions), Desigo CC ClickOnce Client V7 (All versions), Desigo CC family V8 (All versions), Desigo CC family V9 (All versions), Desigo CC Flex Client V6 (All versions), Desigo CC Flex Client V7 (All versions), Desigo CC Installed Client V6 (All versions), Desigo CC Installed Client V7 (All versions). The affected application is vulnerable to Client Code Execution (CCE) due to insufficient input validation when handling scripts embedded within user-defined graphics documents. Specifically, when the script within a graphics document is designed or modified by an attacker to include malicious commands. When a user opens a compromised graphics document, the embedded script is executed on the client application instance, allowing an attacker to write arbitrary files to the client's operating system. Successful exploitation requires an attacker to craft a malicious graphics document and entice a user with sufficient privileges to display it. This could lead to compromise of the client operating system and potential lateral movement within the organization.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-34223" }, { "category": "description", "text": "A vulnerability has been identified in Desigo CC ClickOnce Client V6 (All versions), Desigo CC ClickOnce Client V7 (All versions), Desigo CC family V8 (All versions), Desigo CC family V9 (All versions), Desigo CC Flex Client V6 (All versions), Desigo CC Flex Client V7 (All versions), Desigo CC Installed Client V6 (All versions), Desigo CC Installed Client V7 (All versions). The affected application is vulnerable to Client Code Execution (CCE) due to insufficient input validation when handling scripts embedded within user-defined graphics documents. Specifically, when the script within a graphics document is designed or modified by an attacker to include malicious commands. When a user opens a compromised graphics document, the embedded script is executed on the client application instance, allowing an attacker to write arbitrary files to the client's operating system. Successful exploitation requires an attacker to craft a malicious graphics document and entice a user with sufficient privileges to display it. This could lead to compromise of the client operating system and potential lateral movement within the organization.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-34223" }, { "category": "description", "text": "The affected application is vulnerable to Client Code Execution (CCE) due to insufficient input validation when handling scripts embedded within user-defined graphics documents. Specifically, when the script within a graphics document is designed or modified by an attacker to include malicious commands. When a user opens a compromised graphics document, the embedded script is executed on the client application instance, allowing an attacker to write arbitrary files to the client's operating system. Successful exploitation requires an attacker to craft a malicious graphics document and entice a user with sufficient privileges to display it. This could lead to compromise of the client operating system and potential lateral movement within the organization.", "title": "siemens - https://cert-portal.siemens.com/productcert/csaf/ssa-330084.json" }, { "category": "other", "text": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "title": "CVSSV4" }, { "category": "other", "text": "8.6", "title": "CVSSV4 base score" }, { "category": "other", "text": "5.5", "title": "NCSC Score" }, { "category": "other", "text": "Is related to a product by vendor Siemens, There is cvss data available from source Siemens, There is product data available from source Siemens", "title": "NCSC Score top increasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-9162098", "CSAFPID-9162099", "CSAFPID-9162103", "CSAFPID-9162104", "CSAFPID-9162888", "CSAFPID-9162889", "CSAFPID-9162890", "CSAFPID-9162891" ], "known_not_affected": [ "CSAFPID-8821713", "CSAFPID-9162100", "CSAFPID-9162101", "CSAFPID-9162102", "CSAFPID-3054254", "CSAFPID-5588134", "CSAFPID-9162892", "CSAFPID-9162893" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34223" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-34223" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-34223" }, { "category": "external", "summary": "Source - siemens", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-330084.json" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0346" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; siemens", "url": "https://cert-portal.siemens.com/productcert/html/ssa-330084.html" }, { "category": "external", "summary": "Reference - siemens", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-330084.json" } ], "remediations": [ { "category": "mitigation", "details": "Evaluate authorization policy for Graphics application following Least Privilege principle, so only required users have access to the configuration.", "product_ids": [ "CSAFPID-9162888", "CSAFPID-9162889", "CSAFPID-9162890", "CSAFPID-9162891" ] }, { "category": "none_available", "details": "Currently no fix is available", "product_ids": [ "CSAFPID-9162888", "CSAFPID-9162889", "CSAFPID-9162890", "CSAFPID-9162891" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "baseScore": 8.2, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-9162098", "CSAFPID-9162099", "CSAFPID-9162103", "CSAFPID-9162104", "CSAFPID-9162888", "CSAFPID-9162889", "CSAFPID-9162890", "CSAFPID-9162891" ] } ], "threats": [ { "category": "impact", "details": "The vulnerability has been fixed in this version", "product_ids": [ "CSAFPID-3054254", "CSAFPID-5588134" ] }, { "category": "impact", "details": "The vulnerability does not exist in this version", "product_ids": [ "CSAFPID-9162892", "CSAFPID-9162893" ] } ], "title": "CVE-2026-34223" } ] }