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CVE-2021-43327

Estado: ModificadaMedia (4.6)—

An issue was discovered on Renesas RX65 and RX65N devices. With a VCC glitch, an attacker can extract the security ID key from the device. Then, the protected firmware can be extracted.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-43327",
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          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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          "integrityImpact": "NONE",
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          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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  "affected": [
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  "published": "2021-12-02T20:15:07.973",
  "references": [
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      "url": "https://www.collshade.fr/articles/reneshack/rx_glitch_article.html",
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      "value": "An issue was discovered on Renesas RX65 and RX65N devices. With a VCC glitch, an attacker can extract the security ID key from the device. Then, the protected firmware can be extracted."
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      "lang": "es",
      "value": "Se ha detectado un problema en los dispositivos Renesas RX65 y RX65N. Con un fallo de VCC, un atacante puede extraer la clave de identificación de seguridad del dispositivo. Entonces, el firmware protegido puede ser extraído"
    }
  ],
  "lastModified": "2026-06-17T04:10:51.433",
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