{"api_version":"1","generated_at":"2026-04-23T02:58:48+00:00","cve":"CVE-2025-47904","urls":{"html":"https://cve.report/CVE-2025-47904","api":"https://cve.report/api/cve/CVE-2025-47904.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-47904","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-47904"},"summary":{"title":"Unsigned upgrade package","description":"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.","state":"PUBLISHED","assigner":"Microchip","published_at":"2026-02-24 16:24:06","updated_at":"2026-03-31 11:16:13"},"problem_types":["CWE-494","CWE-494 CWE-494 Download of Code Without Integrity Check"],"metrics":[{"version":"4.0","source":"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5","type":"Secondary","score":"5.7","severity":"MEDIUM","vector":"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","data":{"version":"4.0","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","baseScore":5.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"LOW","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"CVSS","score":"5.7","severity":"MEDIUM","vector":"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","data":{"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"}},{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"4.1","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N","baseScore":4.1,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"}}],"references":[{"url":"https://www.gruppotim.it/en/footer/TIM-red-team.html","name":"https://www.gruppotim.it/en/footer/TIM-red-team.html","refsource":"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-unsigned-upgrade-vulnerability","name":"https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-unsigned-upgrade-vulnerability","refsource":"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-47904","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47904","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Microchip","product":"Time Provider 4100","version":"affected 2.5 semver","platforms":[]}],"timeline":[{"source":"CNA","time":"2025-04-14T22:00:00.000Z","lang":"en","value":"Reported"}],"solutions":[],"workarounds":[{"source":"CNA","title":"","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.","time":"","lang":"en"}],"exploits":[],"credits":[{"source":"CNA","value":"Dario Emilio Bertani","lang":"en"},{"source":"CNA","value":"Raffaele Bova","lang":"en"},{"source":"CNA","value":"Andrea Sindoni","lang":"en"},{"source":"CNA","value":"Simone Bossi","lang":"en"},{"source":"CNA","value":"Antonio Carriero","lang":"en"},{"source":"CNA","value":"Marco Manieri","lang":"en"},{"source":"CNA","value":"Vito Pistillo","lang":"en"},{"source":"CNA","value":"Davide Renna","lang":"en"},{"source":"CNA","value":"Manuel Leone","lang":"en"},{"source":"CNA","value":"Massimiliano Brolli","lang":"en"},{"source":"CNA","value":"TIM Security Red Team Research (TIM S.p.A)","lang":"en"}],"nvd_cpes":[{"cve_year":"2025","cve_id":"47904","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"microchip","cpe5":"timeprovider_4100","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2025","cve_id":"47904","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microchip","cpe5":"timeprovider_4100_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2025","cve_id":"47904","cve":"CVE-2025-47904","epss":"0.000040000","percentile":"0.002030000","score_date":"2026-04-22","updated_at":"2026-04-23 00:03:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2025-47904","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-02-26T19:52:08.415815Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-02-26T19:53:24.404Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"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":{"dateUpdated":"2026-03-31T10:39:23.425Z","orgId":"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5","shortName":"Microchip"},"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"},{"tags":["technical-description"],"url":"https://www.gruppotim.it/en/footer/TIM-red-team.html"}],"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"}}},"cveMetadata":{"assignerOrgId":"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5","assignerShortName":"Microchip","cveId":"CVE-2025-47904","datePublished":"2026-02-24T15:34:20.905Z","dateReserved":"2025-05-13T19:24:53.452Z","dateUpdated":"2026-03-31T10:39:23.425Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-02-24 16:24:06","lastModifiedDate":"2026-03-31 11:16:13","problem_types":["CWE-494","CWE-494 CWE-494 Download of Code Without Integrity Check"],"metrics":{"cvssMetricV40":[{"source":"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5","type":"Secondary","cvssData":{"version":"4.0","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","baseScore":5.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"LOW","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N","baseScore":4.1,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":0.5,"impactScore":3.6}]},"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:microchip:timeprovider_4100_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"2.5","matchCriteriaId":"6634DE5C-7298-47E3-A1DB-D09BEFA6935D"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:microchip:timeprovider_4100:-:*:*:*:*:*:*:*","matchCriteriaId":"8D36DAD3-0804-42B0-A47F-6895177560EE"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"47904","Ordinal":"1","Title":"Unsigned upgrade package","CVE":"CVE-2025-47904","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"47904","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Unsigned upgrade package"}]}}}