FKIE_CVE-2024-4760

Vulnerability from fkie_nvd - Published: 2024-05-16 13:15 - Updated: 2025-06-06 15:15
Severity ?
6.3 (Medium) - CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71, SAM G55, SAM 4C/4S/4N/4E, and SAM 3S/3N/3U microcontrollers allows access to the memory bus via the debug interface even if the security bit is set.
References
dc3f6da9-85b5-4a73-84a2-2ec90b40fca5https://ww1.microchip.com/downloads/aemDocuments/documents/MCU32/ProductDocuments/SupportingCollateral/Security-Advisory-CVE-2024-4760.pdf
dc3f6da9-85b5-4a73-84a2-2ec90b40fca5https://www.0x01team.com/hw_security/bypassing-microchip-atmel-sam-e70-s70-v70-v71-security/
af854a3a-2127-422b-91ae-364da2661108https://www.0x01team.com/hw_security/bypassing-microchip-atmel-sam-e70-s70-v70-v71-security/
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A voltage glitch during the startup of EEFC NVM controllers on Microchip SAM E70/S70/V70/V71, SAM G55, SAM\u00a04C/4S/4N/4E, and SAM 3S/3N/3U microcontrollers\u00a0allows access to the memory bus via the debug interface even if the security bit is set."
    },
    {
      "lang": "es",
      "value": "Una falla de voltaje durante el inicio de los controladores EEFC NVM en los microcontroladores Microchip SAM E70/S70/V70/V71 permite el acceso al bus de memoria a trav\u00e9s de la interfaz de depuraci\u00f3n incluso si el bit de seguridad est\u00e1 configurado."
    }
  ],
  "id": "CVE-2024-4760",
  "lastModified": "2025-06-06T15:15:22.837",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.4,
        "impactScore": 5.9,
        "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-05-16T13:15:47.893",
  "references": [
    {
      "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
      "url": "https://ww1.microchip.com/downloads/aemDocuments/documents/MCU32/ProductDocuments/SupportingCollateral/Security-Advisory-CVE-2024-4760.pdf"
    },
    {
      "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
      "url": "https://www.0x01team.com/hw_security/bypassing-microchip-atmel-sam-e70-s70-v70-v71-security/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.0x01team.com/hw_security/bypassing-microchip-atmel-sam-e70-s70-v70-v71-security/"
    }
  ],
  "sourceIdentifier": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1247"
        }
      ],
      "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
      "type": "Secondary"
    }
  ]
}


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