{
  "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" : "Die Cisco Wireless LAN Controller (WLC) sind Teil der CISCO Produkt Familie um Cisco Systeme um Wireless LAN zu erweitern.\r\nCisco Internetwork Operating System (IOS) ist ein Betriebssystem, das für Cisco Geräte wie z. B. Router und Switches eingesetzt wird.\r\nCisco NX-OS ist ein Data Center Netzwerk-Betriebssystem für virtualisierte Rechenzentren. NX-OS wurde für Ethernet Switches der Nexus Serie und Fibre Channel Storage Area Network Swiches der MDS Serie entwickelt.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer aus einem angrenzenden Netzwerk kann eine Schwachstelle in Cisco Wireless LAN Controllers, Cisco IOS XE, Cisco IOS und Cisco NX-OS 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-2025-0969 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-0969.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2025-0969 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-0969"
    }, {
      "category" : "external",
      "summary" : "Cisco Security Advisory cisco-sa-sisf-dos-ZGwt4DdY vom 2025-05-07",
      "url" : "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sisf-dos-ZGwt4DdY"
    } ],
    "source_lang" : "en-US",
    "title" : "Cisco IOS, IOS XE, NX-OS and WLC AireOS Software (SISF): Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2025-05-07T22:00:00.000+00:00",
      "generator" : {
        "date" : "2025-05-08T08:49:13.725+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.12"
        }
      },
      "id" : "WID-SEC-W-2025-0969",
      "initial_release_date" : "2025-05-07T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2025-05-07T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      } ],
      "status" : "final",
      "version" : "1"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "Software",
          "product" : {
            "name" : "Cisco IOS Software",
            "product_id" : "T043427",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:cisco:ios:software"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "IOS"
      }, {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "Software for WLC <16.12",
          "product" : {
            "name" : "Cisco IOS XE Software for WLC <16.12",
            "product_id" : "T043426"
          }
        }, {
          "category" : "product_version",
          "name" : "Software for WLC 16.12",
          "product" : {
            "name" : "Cisco IOS XE Software for WLC 16.12",
            "product_id" : "T043426-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:cisco:ios_xe:software_for_wlc__16.12"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "Software",
          "product" : {
            "name" : "Cisco IOS XE Software",
            "product_id" : "T043428",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:cisco:ios_xe:software"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "IOS XE"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "Software",
          "product" : {
            "name" : "Cisco NX-OS Software",
            "product_id" : "T043429",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:cisco:nx-os:software"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "NX-OS"
      }, {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "AireOS Software <8.10.196.0",
          "product" : {
            "name" : "Cisco Wireless LAN Controllers AireOS Software <8.10.196.0",
            "product_id" : "T043425"
          }
        }, {
          "category" : "product_version",
          "name" : "AireOS Software 8.10.196.0",
          "product" : {
            "name" : "Cisco Wireless LAN Controllers AireOS Software 8.10.196.0",
            "product_id" : "T043425-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:cisco:wireless_lan_controllers:aireos_software__8.10.196.0"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Wireless LAN Controllers"
      } ],
      "category" : "vendor",
      "name" : "Cisco"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2025-20191",
    "product_status" : {
      "known_affected" : [ "T043425", "T043426", "T043427", "T043428", "T043429" ]
    },
    "release_date" : "2025-05-07T22:00:00.000+00:00",
    "title" : "CVE-2025-20191"
  } ]
}