{"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": "2026-02-26T19:53:24.404Z"}, "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"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-26T19:52:08.415815Z", "id": "CVE-2025-47904", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T19:53:24.404Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-47904", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-02-26T19:52:08.415815Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T19:52:15.134Z"}}], "cna": {"title": "Unsigned upgrade package", "source": {"advisory": "PSIRT-105", "discovery": "UNKNOWN"}, "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)"}], "impacts": [{"capecId": "CAPEC-533", "descriptions": [{"lang": "en", "value": "CAPEC-533 Malicious Manual Software Update"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.7, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Microchip", "product": "Time Provider 4100", "versions": [{"status": "affected", "version": "0", "lessThan": "2.5", "versionType": "semver"}], "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2025-04-14T22:00:00.000Z", "value": "Reported"}], "datePublic": "2026-02-18T23:00:00.000Z", "references": [{"url": "https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-unsigned-upgrade-vulnerability", "tags": ["vendor-advisory"]}], "workarounds": [{"lang": "en", "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.", "supportingMedia": [{"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>", "base64": false}]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "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.", "supportingMedia": [{"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>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-494", "description": "CWE-494 Download of Code Without Integrity Check"}]}], "configurations": [{"lang": "en", "value": "User knowledge of the decryption passwords and upgrade package structure.", "supportingMedia": [{"type": "text/html", "value": "User knowledge of the decryption passwords and upgrade package structure.<br>", "base64": false}]}], "providerMetadata": {"orgId": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "shortName": "Microchip", "dateUpdated": "2026-02-24T15:34:20.905Z"}}}, "cveMetadata": {"cveId": "CVE-2025-47904", "state": "PUBLISHED", "dateUpdated": "2026-02-26T19:53:24.404Z", "dateReserved": "2025-05-13T19:24:53.452Z", "assignerOrgId": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "datePublished": "2026-02-24T15:34:20.905Z", "assignerShortName": "Microchip"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:microchip:timeprovider_4100_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "6634DE5C-7298-47E3-A1DB-D09BEFA6935D", "versionEndExcluding": "2.5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:microchip:timeprovider_4100:-:*:*:*:*:*:*:*", "matchCriteriaId": "8D36DAD3-0804-42B0-A47F-6895177560EE", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "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": "2026-03-03T16:18:42.423", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "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", "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"}], "sourceIdentifier": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-494"}], "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.5)"}}], "enrichment": {"confidence": 98.0, "confidence_source": "matching", "scores": [{"score": 98.0, "source": "matching"}]}, "original": {"product": "Time Provider 4100", "source": "cna", "vendor": "Microchip"}, "product": "timeprovider_4100", "vendor": "microchip"}], "created": "2026-02-25T11:38:45.583193+00:00", "updated": "2026-02-25T11:38:45.583279+00:00", "vendors": ["microchip", "microchip$PRODUCT$timeprovider_4100"]}