{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-47904", "assignerOrgId": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "state": "PUBLISHED", "assignerShortName": "Microchip", "dateReserved": "2025-05-13T19:24:53.452Z", "datePublished": "2026-02-24T15:34:20.905Z", "dateUpdated": "2026-02-24T15:34:20.905Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Time Provider 4100", "vendor": "Microchip", "versions": [{"lessThan": "2.5", "status": "affected", "version": "0", "versionType": "semver"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "User knowledge of the decryption passwords and upgrade package structure.<br>"}], "value": "User knowledge of the decryption passwords and upgrade package structure."}], "credits": [{"lang": "en", "type": "finder", "value": "Dario Emilio Bertani"}, {"lang": "en", "type": "finder", "value": "Raffaele Bova"}, {"lang": "en", "type": "finder", "value": "Andrea Sindoni"}, {"lang": "en", "type": "finder", "value": "Simone Bossi"}, {"lang": "en", "type": "finder", "value": "Antonio Carriero"}, {"lang": "en", "type": "finder", "value": "Marco Manieri"}, {"lang": "en", "type": "finder", "value": "Vito Pistillo"}, {"lang": "en", "type": "finder", "value": "Davide Renna"}, {"lang": "en", "type": "finder", "value": "Manuel Leone"}, {"lang": "en", "type": "finder", "value": "Massimiliano Brolli"}, {"lang": "en", "type": "reporter", "value": "TIM Security Red Team Research (TIM S.p.A)"}], "datePublic": "2026-02-18T23:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Download of Code Without Integrity Check vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software Update.<p>This issue affects Time Provider 4100: before 2.5.</p>"}], "value": "Download of Code Without Integrity Check vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software Update.This issue affects Time Provider 4100: before 2.5."}], "impacts": [{"capecId": "CAPEC-533", "descriptions": [{"lang": "en", "value": "CAPEC-533 Malicious Manual Software Update"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "baseScore": 5.7, "baseSeverity": "MEDIUM", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:L", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-494", "description": "CWE-494 Download of Code Without Integrity Check", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "shortName": "Microchip", "dateUpdated": "2026-02-24T15:34:20.905Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-unsigned-upgrade-vulnerability"}], "source": {"advisory": "PSIRT-105", "discovery": "UNKNOWN"}, "timeline": [{"lang": "en", "time": "2025-04-14T22:00:00.000Z", "value": "Reported"}], "title": "Unsigned upgrade package", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Upgrades are only available on a separate management port which should \nnot be connected to an untrusted network. ACLs are available to further\n restrict access to only trusted addresses.\n\n<br>"}], "value": "Upgrades are only available on a separate management port which should \nnot be connected to an untrusted network. ACLs are available to further\n restrict access to only trusted addresses."}], "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Download of Code Without Integrity Check vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software Update.This issue affects Time Provider 4100: before 2.5."}], "id": "CVE-2025-47904", "lastModified": "2026-02-24T21:52:01.367", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:L/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "type": "Secondary"}]}, "published": "2026-02-24T16:24:06.680", "references": [{"source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "url": "https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-unsigned-upgrade-vulnerability"}], "sourceIdentifier": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-494"}], "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "type": "Secondary"}]}

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