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                ],
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        "CVE_data_meta": {
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          "ID": "CVE-2023-20112"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A vulnerability in Cisco access point (AP) software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of certain parameters within 802.11 frames. An attacker could exploit this vulnerability by sending a wireless 802.11 association request frame with crafted parameters to an affected device. A successful exploit could allow the attacker to cause an unexpected reload of an affected device, resulting in a DoS condition."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-125"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20230322 Cisco Access Point Software Association Request Denial of Service Vulnerability",
              "refsource": "CISCO",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-assoc-dos-D2SunWK2"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-04-03T17:42Z",
      "publishedDate": "2023-03-23T17:15Z"
    }
  }
}

{
  "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 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": "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 f\u00fcr Cisco Ger\u00e4te wie z. B. Router und Switches eingesetzt wird.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Cisco Wireless LAN Controllers und Cisco IOS XE ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren und beliebigen Code auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- CISCO Appliance",
        "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-2023-0733 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0733.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0733 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0733"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory vom 2023-03-22",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-cli-dos-tc2EKEpu"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory vom 2023-03-22",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-assoc-dos-D2SunWK2"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory vom 2023-03-22",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aironetap-cmdinj-6bjT4FL8"
      }
    ],
    "source_lang": "en-US",
    "title": "Cisco Wireless LAN Controllers: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2023-03-22T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:20:21.491+00:00",
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      "initial_release_date": "2023-03-22T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-03-22T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
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      "status": "final",
      "version": "1"
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  },
  "product_tree": {
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        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 16.12.8",
                "product": {
                  "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 16.12.8",
                  "product_id": "T026866",
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                "product": {
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                  "product_id": "T026868",
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                "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.9.2",
                "product": {
                  "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.9.2",
                  "product_id": "T026869",
                  "product_identification_helper": {
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                "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.3.5",
                "product": {
                  "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.3.5",
                  "product_id": "T026870",
                  "product_identification_helper": {
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              {
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                "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.6.3",
                "product": {
                  "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.6.3",
                  "product_id": "T026871",
                  "product_identification_helper": {
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            "name": "IOS XE"
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          {
            "branches": [
              {
                "category": "product_name",
                "name": "Cisco Wireless LAN Controllers \u003c 8.10.183.0",
                "product": {
                  "name": "Cisco Wireless LAN Controllers \u003c 8.10.183.0",
                  "product_id": "T026865",
                  "product_identification_helper": {
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              {
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                "name": "Cisco Wireless LAN Controllers \u003c 8.10.171.0",
                "product": {
                  "name": "Cisco Wireless LAN Controllers \u003c 8.10.171.0",
                  "product_id": "T026872",
                  "product_identification_helper": {
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            "name": "Wireless LAN Controllers"
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        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-20097",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Cisco Wireless LAN Controllers und Cisco IOS XE. Der Fehler besteht aufgrund einer unsachgem\u00e4\u00dfen Eingabevalidierung von Befehlen, die von einem Wireless Controller an einen AP ausgegeben werden. Ein lokaler Angreifer mit Administratorzugriff auf die CLI des Controllers kann diese Schwachstelle ausnutzen, um einen Befehl mit manipulierten Argumenten zu erteilen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T026871",
          "T026872",
          "T026870"
        ]
      },
      "release_date": "2023-03-22T23:00:00Z",
      "title": "CVE-2023-20097"
    },
    {
      "cve": "CVE-2023-20112",
      "notes": [
        {
          "category": "description",
          "text": "In Cisco Wireless LAN Controllers und Cisco IOS XE existieren mehrere Schwachstellen. Die Fehler bestehen aufgrund einer unzureichenden Validierung bestimmter Parameter innerhalb von 802.11-Frames und einer unzureichenden Eingabevalidierung der vom Benutzer eingegebenen Befehle. Ein Angreifer aus dem angrenzenden Netzwerk oder ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T026871",
          "T026872",
          "T026870"
        ]
      },
      "release_date": "2023-03-22T23:00:00Z",
      "title": "CVE-2023-20112"
    },
    {
      "cve": "CVE-2023-20056",
      "notes": [
        {
          "category": "description",
          "text": "In Cisco Wireless LAN Controllers und Cisco IOS XE existieren mehrere Schwachstellen. Die Fehler bestehen aufgrund einer unzureichenden Validierung bestimmter Parameter innerhalb von 802.11-Frames und einer unzureichenden Eingabevalidierung der vom Benutzer eingegebenen Befehle. Ein Angreifer aus dem angrenzenden Netzwerk oder ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T026871",
          "T026872",
          "T026870"
        ]
      },
      "release_date": "2023-03-22T23:00:00Z",
      "title": "CVE-2023-20056"
    }
  ]
}

{
  "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 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": "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 f\u00fcr Cisco Ger\u00e4te wie z. B. Router und Switches eingesetzt wird.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Cisco Wireless LAN Controllers und Cisco IOS XE ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren und beliebigen Code auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- CISCO Appliance",
        "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-2023-0733 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0733.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0733 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0733"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory vom 2023-03-22",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-cli-dos-tc2EKEpu"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory vom 2023-03-22",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-assoc-dos-D2SunWK2"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory vom 2023-03-22",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aironetap-cmdinj-6bjT4FL8"
      }
    ],
    "source_lang": "en-US",
    "title": "Cisco Wireless LAN Controllers: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2023-03-22T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:20:21.491+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
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      },
      "id": "WID-SEC-W-2023-0733",
      "initial_release_date": "2023-03-22T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-03-22T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
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        "branches": [
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            "branches": [
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                "category": "product_name",
                "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 16.12.8",
                "product": {
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                  "product_id": "T026866",
                  "product_identification_helper": {
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              },
              {
                "category": "product_name",
                "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.3.6",
                "product": {
                  "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.3.6",
                  "product_id": "T026867",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:cisco:ios_xe:for_wireless_lan_controllers__17.3.6"
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                }
              },
              {
                "category": "product_name",
                "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.6.5",
                "product": {
                  "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.6.5",
                  "product_id": "T026868",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:cisco:ios_xe:for_wireless_lan_controllers__17.6.5"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.9.2",
                "product": {
                  "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.9.2",
                  "product_id": "T026869",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:cisco:ios_xe:for_wireless_lan_controllers__17.9.2"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.3.5",
                "product": {
                  "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.3.5",
                  "product_id": "T026870",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:cisco:ios_xe:for_wireless_lan_controllers__17.3.5"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.6.3",
                "product": {
                  "name": "Cisco IOS XE for Wireless LAN Controllers \u003c 17.6.3",
                  "product_id": "T026871",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:cisco:ios_xe:for_wireless_lan_controllers__17.6.3"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "IOS XE"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Cisco Wireless LAN Controllers \u003c 8.10.183.0",
                "product": {
                  "name": "Cisco Wireless LAN Controllers \u003c 8.10.183.0",
                  "product_id": "T026865",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:wireless_lan_controllers:8.10.183.0"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Cisco Wireless LAN Controllers \u003c 8.10.171.0",
                "product": {
                  "name": "Cisco Wireless LAN Controllers \u003c 8.10.171.0",
                  "product_id": "T026872",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:wireless_lan_controllers:8.10.171.0"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Wireless LAN Controllers"
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-20097",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Cisco Wireless LAN Controllers und Cisco IOS XE. Der Fehler besteht aufgrund einer unsachgem\u00e4\u00dfen Eingabevalidierung von Befehlen, die von einem Wireless Controller an einen AP ausgegeben werden. Ein lokaler Angreifer mit Administratorzugriff auf die CLI des Controllers kann diese Schwachstelle ausnutzen, um einen Befehl mit manipulierten Argumenten zu erteilen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T026871",
          "T026872",
          "T026870"
        ]
      },
      "release_date": "2023-03-22T23:00:00Z",
      "title": "CVE-2023-20097"
    },
    {
      "cve": "CVE-2023-20112",
      "notes": [
        {
          "category": "description",
          "text": "In Cisco Wireless LAN Controllers und Cisco IOS XE existieren mehrere Schwachstellen. Die Fehler bestehen aufgrund einer unzureichenden Validierung bestimmter Parameter innerhalb von 802.11-Frames und einer unzureichenden Eingabevalidierung der vom Benutzer eingegebenen Befehle. Ein Angreifer aus dem angrenzenden Netzwerk oder ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T026871",
          "T026872",
          "T026870"
        ]
      },
      "release_date": "2023-03-22T23:00:00Z",
      "title": "CVE-2023-20112"
    },
    {
      "cve": "CVE-2023-20056",
      "notes": [
        {
          "category": "description",
          "text": "In Cisco Wireless LAN Controllers und Cisco IOS XE existieren mehrere Schwachstellen. Die Fehler bestehen aufgrund einer unzureichenden Validierung bestimmter Parameter innerhalb von 802.11-Frames und einer unzureichenden Eingabevalidierung der vom Benutzer eingegebenen Befehle. Ein Angreifer aus dem angrenzenden Netzwerk oder ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T026871",
          "T026872",
          "T026870"
        ]
      },
      "release_date": "2023-03-22T23:00:00Z",
      "title": "CVE-2023-20056"
    }
  ]
}

{
  "document": {
    "acknowledgments": [
      {
        "summary": "Cisco would like to thank Luke Jenkins of Weber State University for reporting this vulnerability."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "text": "A vulnerability in Cisco access point (AP) software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to insufficient validation of certain parameters within 802.11 frames. An attacker could exploit this vulnerability by sending a wireless 802.11 association request frame with crafted parameters to an affected device. A successful exploit could allow the attacker to cause an unexpected reload of an affected device, resulting in a DoS condition.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\n",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "This vulnerability affects the following Cisco products if they are running a vulnerable software release:\r\n\r\nBusiness 150 APs and 151 Mesh Extenders\r\nCatalyst 9100 APs\r\n\r\nFor information about which Cisco software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.",
        "title": "Vulnerable Products"
      },
      {
        "category": "general",
        "text": "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by this vulnerability.\r\n\r\nCisco has confirmed that this vulnerability does not affect any Cisco access point series that is not listed in the Vulnerable Products [\"#vp\"] section of this advisory.",
        "title": "Products Confirmed Not Vulnerable"
      },
      {
        "category": "general",
        "text": "There are no workarounds that address this vulnerability.",
        "title": "Workarounds"
      },
      {
        "category": "general",
        "text": "Cisco has released free software updates [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu\"] that address the vulnerability described in this advisory. Customers with service contracts that entitle them to regular software updates should obtain security fixes through their usual update channels.\r\n\r\nCustomers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:\r\nhttps://www.cisco.com/c/en/us/products/end-user-license-agreement.html [\"https://www.cisco.com/c/en/us/products/end-user-license-agreement.html\"]\r\n\r\nAdditionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.\r\n\r\nThe Cisco Support and Downloads page [\"https://www.cisco.com/c/en/us/support/index.html\"] on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page [\"https://www.cisco.com/go/psirt\"], to determine exposure and a complete upgrade solution.\r\n\r\nIn all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.\r\n  Customers Without Service Contracts\r\nCustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC: https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]\r\n\r\nCustomers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.\r\n      Fixed Releases\r\nIn the following tables, the left column lists Cisco software releases. The center column indicates whether a release is affected by the vulnerability described in this advisory and the first release that includes the fix for this vulnerability. The right column indicates whether a release is affected by all the vulnerabilities described in this bundle of advisories and which release includes fixes for those vulnerabilities.\r\n\r\nAPs Managed by Cisco Wireless LAN Controller (WLC) or Mobility Express (ME)\r\n           Cisco Wireless LAN Controller Software Release  First Fixed Release          8.8 and earlier  Not vulnerable.      8.9  Migrate to a fixed release.      8.10  8.10.171.0\r\nAPs Managed by Catalyst 9800 Series Wireless Controller or Embedded Wireless Controller (EWC)\r\n           Cisco Catalyst 9800 Series Wireless Controller Software Release  First Fixed Release          Earlier than 16.12  Not vulnerable.      16.12  16.12.8      17.1  Migrate to a fixed release.      17.2  Migrate to a fixed release.      17.3  17.3.5      17.4  Migrate to a fixed release.      17.5  Migrate to a fixed release.      17.6  17.6.3      17.7  Migrate to a fixed release.      17.8  Not vulnerable.      17.9  Not vulnerable.\r\nBusiness APs and Mesh Extenders\r\n           Cisco Business 150 AP and 151 Mesh Extender Software Release  First Fixed Release          10.2.2 and earlier  Migrate to a fixed release.      10.3.2  10.3.2.0\r\nThe Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.",
        "title": "Fixed Software"
      },
      {
        "category": "general",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.",
        "title": "Vulnerability Policy"
      },
      {
        "category": "general",
        "text": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.",
        "title": "Exploitation and Public Announcements"
      },
      {
        "category": "general",
        "text": "Cisco would like to thank Luke Jenkins of Weber State University for reporting this vulnerability.",
        "title": "Source"
      },
      {
        "category": "legal_disclaimer",
        "text": "THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nA standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.",
        "title": "Legal Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "psirt@cisco.com",
      "issuing_authority": "Cisco PSIRT",
      "name": "Cisco",
      "namespace": "https://wwww.cisco.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Cisco Access Point Software Association Request Denial of Service Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-assoc-dos-D2SunWK2"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "free software updates",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu"
      },
      {
        "category": "external",
        "summary": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html",
        "url": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html"
      },
      {
        "category": "external",
        "summary": "Cisco\u0026nbsp;Support and Downloads page",
        "url": "https://www.cisco.com/c/en/us/support/index.html"
      },
      {
        "category": "external",
        "summary": "considering software upgrades",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
      },
      {
        "category": "external",
        "summary": "Cisco\u0026nbsp;Security Advisories page",
        "url": "https://www.cisco.com/go/psirt"
      },
      {
        "category": "external",
        "summary": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html",
        "url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"
      },
      {
        "category": "external",
        "summary": "Security Vulnerability Policy",
        "url": "http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"
      }
    ],
    "title": "Cisco Access Point Software Association Request Denial of Service Vulnerability",
    "tracking": {
      "current_release_date": "2023-03-22T16:00:00+00:00",
      "generator": {
        "date": "2024-05-10T23:22:42+00:00",
        "engine": {
          "name": "TVCE"
        }
      },
      "id": "cisco-sa-ap-assoc-dos-D2SunWK2",
      "initial_release_date": "2023-03-22T16:00:00+00:00",
      "revision_history": [
        {
          "date": "2023-03-22T15:49:34+00:00",
          "number": "1.0.0",
          "summary": "Initial public release."
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_family",
            "name": "Cisco Aironet Access Point Software",
            "product": {
              "name": "Cisco Aironet Access Point Software ",
              "product_id": "CSAFPID-190024"
            }
          },
          {
            "category": "product_family",
            "name": "Cisco Business Wireless Access Point Software",
            "product": {
              "name": "Cisco Business Wireless Access Point Software ",
              "product_id": "CSAFPID-280012"
            }
          },
          {
            "category": "product_family",
            "name": "Cisco Aironet Access Point Software (IOS XE Controller)",
            "product": {
              "name": "Cisco Aironet Access Point Software (IOS XE Controller) ",
              "product_id": "CSAFPID-280019"
            }
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-20112",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwb04244"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-280019",
          "CSAFPID-190024",
          "CSAFPID-280012"
        ]
      },
      "release_date": "2023-03-22T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-190024",
            "CSAFPID-280019",
            "CSAFPID-280012"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-280019",
            "CSAFPID-190024",
            "CSAFPID-280012"
          ]
        }
      ],
      "title": "Cisco Access Point Software Association Request Denial of Service Vulnerability"
    }
  ]
}

{
  "document": {
    "acknowledgments": [
      {
        "summary": "Cisco would like to thank Luke Jenkins of Weber State University for reporting this vulnerability."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "text": "A vulnerability in Cisco access point (AP) software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to insufficient validation of certain parameters within 802.11 frames. An attacker could exploit this vulnerability by sending a wireless 802.11 association request frame with crafted parameters to an affected device. A successful exploit could allow the attacker to cause an unexpected reload of an affected device, resulting in a DoS condition.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\n",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "This vulnerability affects the following Cisco products if they are running a vulnerable software release:\r\n\r\nBusiness 150 APs and 151 Mesh Extenders\r\nCatalyst 9100 APs\r\n\r\nFor information about which Cisco software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.",
        "title": "Vulnerable Products"
      },
      {
        "category": "general",
        "text": "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by this vulnerability.\r\n\r\nCisco has confirmed that this vulnerability does not affect any Cisco access point series that is not listed in the Vulnerable Products [\"#vp\"] section of this advisory.",
        "title": "Products Confirmed Not Vulnerable"
      },
      {
        "category": "general",
        "text": "There are no workarounds that address this vulnerability.",
        "title": "Workarounds"
      },
      {
        "category": "general",
        "text": "Cisco has released free software updates [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu\"] that address the vulnerability described in this advisory. Customers with service contracts that entitle them to regular software updates should obtain security fixes through their usual update channels.\r\n\r\nCustomers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:\r\nhttps://www.cisco.com/c/en/us/products/end-user-license-agreement.html [\"https://www.cisco.com/c/en/us/products/end-user-license-agreement.html\"]\r\n\r\nAdditionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.\r\n\r\nThe Cisco Support and Downloads page [\"https://www.cisco.com/c/en/us/support/index.html\"] on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page [\"https://www.cisco.com/go/psirt\"], to determine exposure and a complete upgrade solution.\r\n\r\nIn all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.\r\n  Customers Without Service Contracts\r\nCustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC: https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]\r\n\r\nCustomers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.\r\n      Fixed Releases\r\nIn the following tables, the left column lists Cisco software releases. The center column indicates whether a release is affected by the vulnerability described in this advisory and the first release that includes the fix for this vulnerability. The right column indicates whether a release is affected by all the vulnerabilities described in this bundle of advisories and which release includes fixes for those vulnerabilities.\r\n\r\nAPs Managed by Cisco Wireless LAN Controller (WLC) or Mobility Express (ME)\r\n           Cisco Wireless LAN Controller Software Release  First Fixed Release          8.8 and earlier  Not vulnerable.      8.9  Migrate to a fixed release.      8.10  8.10.171.0\r\nAPs Managed by Catalyst 9800 Series Wireless Controller or Embedded Wireless Controller (EWC)\r\n           Cisco Catalyst 9800 Series Wireless Controller Software Release  First Fixed Release          Earlier than 16.12  Not vulnerable.      16.12  16.12.8      17.1  Migrate to a fixed release.      17.2  Migrate to a fixed release.      17.3  17.3.5      17.4  Migrate to a fixed release.      17.5  Migrate to a fixed release.      17.6  17.6.3      17.7  Migrate to a fixed release.      17.8  Not vulnerable.      17.9  Not vulnerable.\r\nBusiness APs and Mesh Extenders\r\n           Cisco Business 150 AP and 151 Mesh Extender Software Release  First Fixed Release          10.2.2 and earlier  Migrate to a fixed release.      10.3.2  10.3.2.0\r\nThe Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.",
        "title": "Fixed Software"
      },
      {
        "category": "general",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.",
        "title": "Vulnerability Policy"
      },
      {
        "category": "general",
        "text": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.",
        "title": "Exploitation and Public Announcements"
      },
      {
        "category": "general",
        "text": "Cisco would like to thank Luke Jenkins of Weber State University for reporting this vulnerability.",
        "title": "Source"
      },
      {
        "category": "legal_disclaimer",
        "text": "THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nA standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.",
        "title": "Legal Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "psirt@cisco.com",
      "issuing_authority": "Cisco PSIRT",
      "name": "Cisco",
      "namespace": "https://wwww.cisco.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Cisco Access Point Software Association Request Denial of Service Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-assoc-dos-D2SunWK2"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "free software updates",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu"
      },
      {
        "category": "external",
        "summary": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html",
        "url": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html"
      },
      {
        "category": "external",
        "summary": "Cisco\u0026nbsp;Support and Downloads page",
        "url": "https://www.cisco.com/c/en/us/support/index.html"
      },
      {
        "category": "external",
        "summary": "considering software upgrades",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
      },
      {
        "category": "external",
        "summary": "Cisco\u0026nbsp;Security Advisories page",
        "url": "https://www.cisco.com/go/psirt"
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