{
  "document" : {
    "aggregate_severity" : {
      "text" : "mittel"
    },
    "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 für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen."
    }, {
      "category" : "description",
      "text" : "Bei der Cisco Nexus Serie handelt es sich um modulare Switching-Systeme der Data Center-Klasse.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann mehrere Schwachstellen in Cisco Nexus ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- CISCO Appliance",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2026-0523 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0523.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-0523 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0523"
    }, {
      "category" : "external",
      "summary" : "Cisco Security Advisory cisco-sa-nxos-cpdos-qLsv6pFD vom 2026-02-25",
      "url" : "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-cpdos-qLsv6pFD"
    }, {
      "category" : "external",
      "summary" : "Cisco Security Advisory cisco-sa-nxos-dsnmp-cNN39Uh vom 2026-02-25",
      "url" : "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-dsnmp-cNN39Uh"
    }, {
      "category" : "external",
      "summary" : "Cisco Security Advisory cisco-sa-nxos-ether-dos-Kv8YNWZ4 vom 2026-02-25",
      "url" : "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ether-dos-Kv8YNWZ4"
    } ],
    "source_lang" : "en-US",
    "title" : "Cisco Nexus: Mehrere Schwachstellen ermöglichen Denial of Service",
    "tracking" : {
      "current_release_date" : "2026-02-25T23:00:00.000+00:00",
      "generator" : {
        "date" : "2026-02-26T09:57:04.158+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2026-0523",
      "initial_release_date" : "2026-02-25T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-02-25T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      } ],
      "status" : "final",
      "version" : "1"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "9000 Series Fabric Switches",
          "product" : {
            "name" : "Cisco Nexus 9000 Series Fabric Switches",
            "product_id" : "T051219",
            "product_identification_helper" : {
              "cpe" : "cpe:/h:cisco:nexus:9000_series_fabric_switches"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "3600 Series Switching Platform",
          "product" : {
            "name" : "Cisco Nexus 3600 Series Switching Platform",
            "product_id" : "T051220",
            "product_identification_helper" : {
              "cpe" : "cpe:/h:cisco:nexus:3600_series_switching_platform"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "9500-R Series Switching Platform",
          "product" : {
            "name" : "Cisco Nexus 9500-R Series Switching Platform",
            "product_id" : "T051221",
            "product_identification_helper" : {
              "cpe" : "cpe:/h:cisco:nexus:9500-r_series_switching_platform"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Nexus"
      } ],
      "category" : "vendor",
      "name" : "Cisco"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-20033",
    "product_status" : {
      "known_affected" : [ "T051219" ]
    },
    "release_date" : "2026-02-25T23:00:00.000+00:00",
    "title" : "CVE-2026-20033"
  }, {
    "cve" : "CVE-2026-20048",
    "product_status" : {
      "known_affected" : [ "T051219" ]
    },
    "release_date" : "2026-02-25T23:00:00.000+00:00",
    "title" : "CVE-2026-20048"
  }, {
    "cve" : "CVE-2026-20051",
    "product_status" : {
      "known_affected" : [ "T051221", "T051220" ]
    },
    "release_date" : "2026-02-25T23:00:00.000+00:00",
    "title" : "CVE-2026-20051"
  } ]
}