Vulnerability-Lookup

FKIE_CVE-2025-47904

Vulnerability from fkie_nvd - Published: 2026-02-24 16:24 - Updated: 2026-02-24 21:52

Severity ?

5.7 (Medium) - 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

Summary

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.

References

	URL	Tags
	dc3f6da9-85b5-4a73-84a2-2ec90b40fca5	https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-unsigned-upgrade-vulnerability

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "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"
    }
  ]
}

CVE-2025-47904 (GCVE-0-2025-47904)

Vulnerability from cvelistv5 – Published: 2026-02-24 15:34 – Updated: 2026-02-24 15:34

Title

Unsigned upgrade package

Summary

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.

Severity ?

5.7 (Medium)


                        
                          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

CWE

CWE-494 - Download of Code Without Integrity Check

Assigner

Microchip

References

URL

Tags

https://www.microchip.com/en-us/solutions/technol…

vendor-advisory

Impacted products

	Vendor	Product	Version
	Microchip	Time Provider 4100	Affected: 0 , < 2.5 (semver)

Credits

Dario Emilio Bertani Raffaele Bova Andrea Sindoni Simone Bossi Antonio Carriero Marco Manieri Vito Pistillo Davide Renna Manuel Leone Massimiliano Brolli TIM Security Red Team Research (TIM S.p.A)

Show details on NVD website

JSON

To clipboard

{
  "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.\u003cbr\u003e"
            }
          ],
          "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.\u003cp\u003eThis issue affects Time Provider 4100: before 2.5.\u003c/p\u003e"
            }
          ],
          "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": "2026-02-24T15:34:20.905Z",
        "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"
        }
      ],
      "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\u003cbr\u003e"
            }
          ],
          "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": "2026-02-24T15:34:20.905Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2025-47904

CVE-2025-47904 (GCVE-0-2025-47904)

Tags

Sightings

Nomenclature