{
  "id": "CVE-2023-48733",
  "sourceIdentifier": "security@ubuntu.com",
  "published": "2024-02-14T22:15:47.320",
  "lastModified": "2024-06-30T23:15:02.443",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. This allows an OS-resident attacker to bypass Secure Boot."
    },
    {
      "lang": "es",
      "value": "Un valor predeterminado inseguro para permitir UEFI Shell en EDK2 se dej\u00f3 habilitado en EDK2 de Ubuntu. Esto permite que un atacante residente en el sistema operativo omita el arranque seguro."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "security@ubuntu.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9
      }
    ]
  },
  "references": [
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137",
      "source": "security@ubuntu.com"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139",
      "source": "security@ubuntu.com"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00028.html",
      "source": "security@ubuntu.com"
    },
    {
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-48733",
      "source": "security@ubuntu.com"
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2024/02/14/4",
      "source": "security@ubuntu.com"
    }
  ]
}