ubuntu-cve-2020-0556
Vulnerability from osv_ubuntu
Published
2020-03-12 21:15
Modified
2026-04-22 07:39
Summary
Details

Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to potentially enable escalation of privilege and denial of service via adjacent access

Severity
7.1 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "bluetooth",
            "binary_version": "5.37-0ubuntu5.3"
          },
          {
            "binary_name": "bluez",
            "binary_version": "5.37-0ubuntu5.3"
          },
          {
            "binary_name": "bluez-cups",
            "binary_version": "5.37-0ubuntu5.3"
          },
          {
            "binary_name": "bluez-hcidump",
            "binary_version": "5.37-0ubuntu5.3"
          },
          {
            "binary_name": "bluez-obexd",
            "binary_version": "5.37-0ubuntu5.3"
          },
          {
            "binary_name": "bluez-tests",
            "binary_version": "5.37-0ubuntu5.3"
          },
          {
            "binary_name": "libbluetooth3",
            "binary_version": "5.37-0ubuntu5.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "bluez",
        "purl": "pkg:deb/ubuntu/bluez@5.37-0ubuntu5.3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.37-0ubuntu5.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.35-0ubuntu2",
        "5.36-0ubuntu1",
        "5.37-0ubuntu5",
        "5.37-0ubuntu5.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "bluetooth",
            "binary_version": "5.48-0ubuntu3.4"
          },
          {
            "binary_name": "bluez",
            "binary_version": "5.48-0ubuntu3.4"
          },
          {
            "binary_name": "bluez-cups",
            "binary_version": "5.48-0ubuntu3.4"
          },
          {
            "binary_name": "bluez-hcidump",
            "binary_version": "5.48-0ubuntu3.4"
          },
          {
            "binary_name": "bluez-obexd",
            "binary_version": "5.48-0ubuntu3.4"
          },
          {
            "binary_name": "bluez-tests",
            "binary_version": "5.48-0ubuntu3.4"
          },
          {
            "binary_name": "libbluetooth3",
            "binary_version": "5.48-0ubuntu3.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "bluez",
        "purl": "pkg:deb/ubuntu/bluez@5.48-0ubuntu3.4?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.48-0ubuntu3.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.46-0ubuntu3",
        "5.46-0ubuntu4",
        "5.48-0ubuntu3",
        "5.48-0ubuntu3.1",
        "5.48-0ubuntu3.2",
        "5.48-0ubuntu3.3"
      ]
    }
  ],
  "aliases": [],
  "details": "Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to potentially enable escalation of privilege and denial of service via adjacent access",
  "id": "UBUNTU-CVE-2020-0556",
  "modified": "2026-04-22T07:39:16Z",
  "published": "2020-03-12T21:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-0556"
    },
    {
      "type": "REPORT",
      "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00352.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2020/03/12/4"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4311-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-0556"
    }
  ],
  "related": [
    "USN-4311-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-0556"
  ]
}



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