{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "UniFi ist Ubiquiti\u0027s End-to-End-Netzwerk-\u00d6kosystem f\u00fcr Unternehmen und Smart Homes.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer aus einem angrenzenden Netzwerk kann eine Schwachstelle in Ubiquiti UniFi Building Bridge- und Device Bridge-Produkten ausnutzen, um beliebigen Programmcode auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Hardware Appliance\n- Sonstiges",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-0022 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0022.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0022 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0022"
      },
      {
        "category": "external",
        "summary": "UniFi Security Advisory Bulletin 060 vom 2026-01-06",
        "url": "https://community.ui.com/releases/Security-Advisory-Bulletin-060-060/cde18da7-2bc4-41bb-a9cc-48a4a4c479c1"
      }
    ],
    "source_lang": "en-US",
    "title": "Ubiquiti UniFi Building Bridge und Device Bridge: Schwachstelle erm\u00f6glicht Codeausf\u00fchrung",
    "tracking": {
      "current_release_date": "2026-01-08T23:00:00.000+00:00",
      "generator": {
        "date": "2026-01-09T07:41:16.598+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0022",
      "initial_release_date": "2026-01-06T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-01-06T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-01-08T23:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-1491"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "UBB-XG \u003c1.2.3",
                "product": {
                  "name": "Ubiquiti UniFi UBB-XG \u003c1.2.3",
                  "product_id": "T049722"
                }
              },
              {
                "category": "product_version",
                "name": "UBB-XG 1.2.3",
                "product": {
                  "name": "Ubiquiti UniFi UBB-XG 1.2.3",
                  "product_id": "T049722-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ubnt:unifi:ubb-xg__1.2.3"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "UDB-Pro/UDB-Pro-Sector \u003c1.4.2",
                "product": {
                  "name": "Ubiquiti UniFi UDB-Pro/UDB-Pro-Sector \u003c1.4.2",
                  "product_id": "T049723"
                }
              },
              {
                "category": "product_version",
                "name": "UDB-Pro/UDB-Pro-Sector 1.4.2",
                "product": {
                  "name": "Ubiquiti UniFi UDB-Pro/UDB-Pro-Sector 1.4.2",
                  "product_id": "T049723-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ubnt:unifi:udb-proudb-pro-sector__1.4.2"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "UBB \u003c3.1.7",
                "product": {
                  "name": "Ubiquiti UniFi UBB \u003c3.1.7",
                  "product_id": "T049724"
                }
              },
              {
                "category": "product_version",
                "name": "UBB 3.1.7",
                "product": {
                  "name": "Ubiquiti UniFi UBB 3.1.7",
                  "product_id": "T049724-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ubnt:unifi:ubb__3.1.7"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "UniFi"
          }
        ],
        "category": "vendor",
        "name": "Ubiquiti"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-21638",
      "product_status": {
        "known_affected": [
          "T049724",
          "T049723",
          "T049722"
        ]
      },
      "release_date": "2026-01-06T23:00:00.000+00:00",
      "title": "CVE-2026-21638"
    }
  ]
}