CVE-2025-47904

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.

CVSS v3 4.1 MEDIUM

4.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-unsigned-upgrade-vulnerability	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:microchip:timeprovider_4100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:microchip:timeprovider_4100:-:*:*:*:*:*:*:*

History

03 Mar 2026, 16:18

Type	Values Removed	Values Added
First Time		Microchip timeprovider 4100 Firmware Microchip Microchip timeprovider 4100
CPE		cpe:2.3:o:microchip:timeprovider_4100_firmware:::::::: cpe:2.3:h:microchip:timeprovider_4100:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.1
References	~~() https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-unsigned-upgrade-vulnerability -~~	() https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-unsigned-upgrade-vulnerability - Vendor Advisory

24 Feb 2026, 16:24

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-24 16:24

Updated : 2026-03-03 16:18

NVD link : CVE-2025-47904

Mitre link : CVE-2025-47904

CVE.ORG link : CVE-2025-47904

JSON object : View

Products Affected

microchip

timeprovider_4100_firmware
timeprovider_4100

CWE

CWE-494

Download of Code Without Integrity Check

{"id": "CVE-2025-47904", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 0.5}], "cvssMetricV40": [{"type": "Secondary", "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "cvssData": {"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/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-02-24T16:24:06.680", "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"], "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "description": [{"lang": "en", "value": "CWE-494"}]}], "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."}], "lastModified": "2026-03-03T16:18:42.423", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microchip:timeprovider_4100_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6634DE5C-7298-47E3-A1DB-D09BEFA6935D", "versionEndExcluding": "2.5"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:microchip:timeprovider_4100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8D36DAD3-0804-42B0-A47F-6895177560EE"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5"}