{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-104809", "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c", "state": "PUBLISHED", "assignerShortName": "NCSC.ch", "dateReserved": "2026-10-02T13:47:47.693Z", "datePublished": "2026-10-05T08:32:14.233Z", "dateUpdated": "2026-10-05T08:32:14.233Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "455daabc-a392-441d-aa46-37d35189897c", "shortName": "NCSC.ch", "dateUpdated": "2026-10-05T08:32:14.233Z"}, "title": "Mitel MiVoice Office 400 Shared Object Hijacking Leading to Arbitrary Code Execution", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-73", "description": "CWE-73 External control of file name or path", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-494", "description": "CWE-494 Download of code without integrity check", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-829", "description": "CWE-829 Inclusion of functionality from untrusted control sphere", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-426", "description": "CWE-426 \u2014 Untrusted Search Path", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-427", "description": "CWE-427 \u2014 Uncontrolled Search Path Element", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-471", "descriptions": [{"lang": "en", "value": "CAPEC-471 \u2014 Search Order Hijacking"}]}, {"capecId": "CAPEC-159", "descriptions": [{"lang": "en", "value": "CAPEC-159 \u2014 Redirect Access to Libraries"}]}, {"capecId": "CAPEC-642", "descriptions": [{"lang": "en", "value": "CAPEC-642 \u2014 Replace Binaries"}]}], "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 has discovered a vulnerability that allows an attacker to cause the system to load an attacker-controlled .so file instead of the expected legitimate module. The loading mechanism relies on a predictable module name without adequately verifying the file\u2019s origin or integrity. A malicious shared object using the expected name can therefore be loaded by a privileged process. The module code then executes within the context and privileges of that process. This results in arbitrary code execution and full compromise of the Mitel Linux virtual machine.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div>DigitalCanion has discovered a vulnerability that allows an attacker to cause the system to load an attacker-controlled <code>.so</code> file instead of the expected legitimate module. The loading mechanism relies on a predictable module name without adequately verifying the file\u2019s origin or integrity. A malicious shared object using the expected name can therefore be loaded by a privileged process. The module code then executes within the context and privileges of that process. This results in arbitrary code execution and full compromise of the Mitel Linux virtual machine.</div><div><br></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 has discovered a vulnerability that allows an attacker to cause the system to load an attacker-controlled .so file instead of the expected legitimate module. The loading mechanism relies on a predictable module name without adequately verifying the file\u2019s origin or integrity. A malicious shared object using the expected name can therefore be loaded by a privileged process. The module code then executes within the context and privileges of that process. This results in arbitrary code execution and full compromise of the Mitel Linux virtual machine."}], "id": "CVE-2026-104809", "lastModified": "2026-10-05T09:17:10.007", "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": "2026-10-05T09:17:10.007", "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-73"}, {"lang": "en", "value": "CWE-426"}, {"lang": "en", "value": "CWE-427"}, {"lang": "en", "value": "CWE-494"}, {"lang": "en", "value": "CWE-829"}], "source": "vulnerability@ncsc.ch", "type": "Secondary"}]}

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