fkie_cve-2023-20599
Vulnerability from fkie_nvd
Published
2025-06-10 17:17
Modified
2025-06-12 16:06
Severity ?
7.9 (High) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Summary
Improper register access control in ASP may allow a privileged attacker to perform unauthorized access to ASP’s Crypto Co-Processor (CCP) registers from x86, resulting in potential loss of control of cryptographic key pointer/index, leading to loss of integrity or confidentiality.
References
psirt@amd.comhttps://www.amd.com/en/resources/product-security/bulletin/amd-sb-7039.html
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper register access control in ASP may allow a privileged attacker to perform unauthorized access to ASP\u2019s Crypto Co-Processor (CCP) registers from x86, resulting in potential loss of control of cryptographic key pointer/index, leading to loss of integrity or confidentiality."
    },
    {
      "lang": "es",
      "value": "Un control de acceso inadecuado a los registros en ASP puede permitir que un atacante privilegiado realice un acceso no autorizado a los registros del coprocesador criptogr\u00e1fico (CCP) de ASP desde x86, lo que genera una posible p\u00e9rdida de control del \u00edndice/puntero de la clave criptogr\u00e1fica y, por consiguiente, una p\u00e9rdida de integridad o confidencialidad."
    }
  ],
  "id": "CVE-2023-20599",
  "lastModified": "2025-06-12T16:06:39.330",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 7.9,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.5,
        "impactScore": 5.8,
        "source": "psirt@amd.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-06-10T17:17:51.013",
  "references": [
    {
      "source": "psirt@amd.com",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7039.html"
    }
  ],
  "sourceIdentifier": "psirt@amd.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1262"
        }
      ],
      "source": "psirt@amd.com",
      "type": "Secondary"
    }
  ]
}


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