{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-104811", "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c", "state": "PUBLISHED", "assignerShortName": "NCSC.ch", "dateReserved": "2026-10-02T13:47:47.693Z", "datePublished": "2026-10-05T08:34:38.102Z", "dateUpdated": "2026-10-05T08:34:38.102Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "455daabc-a392-441d-aa46-37d35189897c", "shortName": "NCSC.ch", "dateUpdated": "2026-10-05T08:34:38.102Z"}, "title": "Mitel MiVoice Office 400 Music on Hold WAV File Upload Code Execution", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-434", "description": "CWE-434 \u2014 Unrestricted Upload of File with Dangerous Type", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-20", "description": "CWE-20 \u2014 Improper Input Validation", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-94", "description": "CWE-94 \u2014 Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-829", "description": "CWE-829 \u2014 Inclusion of Functionality from Untrusted Control Sphere", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-650", "descriptions": [{"lang": "en", "value": "CAPEC-650 \u2014 Upload a Web Service with Malicious Content"}]}, {"capecId": "CAPEC-242", "descriptions": [{"lang": "en", "value": "CAPEC-242 \u2014 Code Injection"}]}], "affected": [{"vendor": "Mitel", "product": "Mitel MiVoice Office 400", "platforms": ["Linux"], "versions": [{"status": "affected", "version": "11.0.96.0"}], "defaultStatus": "unknown"}], "descriptions": [{"lang": "en", "value": "DigitalCanion SA has discovered a vulnerability that allows remote attackers to execute arbitrary code on affected installations of the product. Authentication may be required to exploit this vulnerability.\n\n\n\n\nThe specific flaw exists within the Configuration \u2192 Services \u2192 Music on Hold functionality of the web portal listening on TCP port 443. The application is intended to allow users to upload WAV audio files but fails to properly validate the uploaded file type. An attacker can exploit this behavior to upload a malicious shared object (.so) instead of a WAV file. When the uploaded file is subsequently processed by the affected component, attacker-controlled code is loaded and executed in the context of the affected process. This can result in remote code execution and potentially full compromise of the underlying Linux system.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div><div><div><div><p>DigitalCanion SA has discovered a vulnerability that allows remote attackers to execute arbitrary code on affected installations of the product. Authentication may be required to exploit this vulnerability.</p>\n<p>The specific flaw exists within the Configuration \u2192 Services \u2192 Music on Hold functionality of the web portal listening on TCP port 443. The application is intended to allow users to upload WAV audio files but fails to properly validate the uploaded file type. An attacker can exploit this behavior to upload a malicious shared object (<code>.so</code>) instead of a WAV file. When the uploaded file is subsequently processed by the affected component, attacker-controlled code is loaded and executed in the context of the affected process. This can result in remote code execution and potentially full compromise of the underlying Linux system.</p></div></div></div></div><div><div><div>\n</div></div><div></div></div><div><br></div>"}]}], "references": [{"url": "https://digitalcanion.com/en/security-research/#vendor=mitel&status=cna"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "exploitMaturity": "PROOF_OF_CONCEPT", "Safety": "NOT_DEFINED", "Automatable": "YES", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "AMBER", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.4, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/AU:Y/U:Amber"}}], "credits": [{"lang": "en", "value": "Brian Mariani from DigitalCanion SA", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "platforms": ["Linux"], "product": "Mitel MiVoice Office 400", "vendor": "Mitel", "versions": [{"status": "affected", "version": "11.0.96.0"}]}], "source": "vulnerability@ncsc.ch"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "DigitalCanion SA has discovered a vulnerability that allows remote attackers to execute arbitrary code on affected installations of the product. Authentication may be required to exploit this vulnerability.\n\n\n\n\nThe specific flaw exists within the Configuration \u2192 Services \u2192 Music on Hold functionality of the web portal listening on TCP port 443. The application is intended to allow users to upload WAV audio files but fails to properly validate the uploaded file type. An attacker can exploit this behavior to upload a malicious shared object (.so) instead of a WAV file. When the uploaded file is subsequently processed by the affected component, attacker-controlled code is loaded and executed in the context of the affected process. This can result in remote code execution and potentially full compromise of the underlying Linux system."}], "id": "CVE-2026-104811", "lastModified": "2026-10-05T09:17:10.290", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "AMBER", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/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:Y/R:X/V:X/RE:X/U:Amber", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "vulnerability@ncsc.ch", "type": "Secondary"}]}, "published": "2026-10-05T09:17:10.290", "references": [{"source": "vulnerability@ncsc.ch", "url": "https://digitalcanion.com/en/security-research/#vendor=mitel&status=cna"}], "sourceIdentifier": "vulnerability@ncsc.ch", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-94"}, {"lang": "en", "value": "CWE-434"}, {"lang": "en", "value": "CWE-829"}], "source": "vulnerability@ncsc.ch", "type": "Secondary"}]}

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