{
  "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": "Aironet Access Point ist eine WLAN Access Point Produktreihe von Cisco\r\nCatalyst ist der Markenname f\u00fcr eine Vielzahl von Netzwerk-Switches die von Cisco Systems verkauft werden.\r\n\r\nRouter sind Ger\u00e4te aus dem Bereich Computernetzwerke, Telekommunikation und Internet, die mehrere Rechnernetze miteinander verbinden.\r\nDie Cisco Small Business Produktfamilie beinhaltet Netzwerk-, Kommunikations-, WLAN- und Sicherheitsprodukte, sowie Router und Switche.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann mehrere Schwachstellen in Cisco Aironet Access Point, Cisco Catalyst, Cisco Router und Cisco Small Business ausnutzen, um Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuf\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-2024-0744 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0744.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-0744 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0744"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory vom 2024-03-27",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-airo-ap-dos-PPPtcVW"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory vom 2024-03-27",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-dos-h9TGGX6W"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory vom 2024-03-27",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-secureboot-bypass-zT5vJkSD"
      }
    ],
    "source_lang": "en-US",
    "title": "Cisco Aironet Access Point: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2024-03-27T23:00:00.000+00:00",
      "generator": {
        "date": "2024-03-28T12:07:30.693+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2024-0744",
      "initial_release_date": "2024-03-27T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2024-03-27T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Cisco Aironet Access Point",
            "product": {
              "name": "Cisco Aironet Access Point",
              "product_id": "T012215",
              "product_identification_helper": {
                "cpe": "cpe:/o:cisco:aironet_access_point_software:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Cisco Catalyst",
            "product": {
              "name": "Cisco Catalyst",
              "product_id": "T000491",
              "product_identification_helper": {
                "cpe": "cpe:/h:cisco:catalyst:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Cisco Router",
            "product": {
              "name": "Cisco Router",
              "product_id": "T003258",
              "product_identification_helper": {
                "cpe": "cpe:/h:cisco:router:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Cisco Small Business",
            "product": {
              "name": "Cisco Small Business",
              "product_id": "T006607",
              "product_identification_helper": {
                "cpe": "cpe:/h:cisco:small_business:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-20265",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Cisco Aironet Access Point, Cisco Catalyst und Cisco Small Business. Diese sind auf einen Fehler zur\u00fcckzuf\u00fchren, der es erm\u00f6glicht w\u00e4hrend des Boot Prozesses beliebige Befehle abzusetzen und dadurch das Secure Boot Feature zu umgehen. Ein authentisierter Angreifer mit physischem Zugriff kann diese Schwachstelle ausnutzen, um Sicherheitsvorkehrungen zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T003258",
          "T012215",
          "T006607",
          "T000491"
        ]
      },
      "release_date": "2024-03-27T23:00:00Z",
      "title": "CVE-2024-20265"
    },
    {
      "cve": "CVE-2024-20271",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Cisco Aironet Access Point, Cisco Catalyst, Cisco Router und Cisco Small Business. Diese Schwachstelle ist auf eine fehlerhafte Validierung von IPV4 zur\u00fcckzuf\u00fchren. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T003258",
          "T012215",
          "T006607",
          "T000491"
        ]
      },
      "release_date": "2024-03-27T23:00:00Z",
      "title": "CVE-2024-20271"
    },
    {
      "cve": "CVE-2024-20354",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Cisco Aironet Access Point. Diese ist auf eine unzureichende Bereinigung von Ressourcen nach dem Droppen von fehlerhaften Paketen zur\u00fcckzuf\u00fchren. Ein anonymer Angreifer im angrenzenden Netzbereich kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T003258",
          "T012215",
          "T006607",
          "T000491"
        ]
      },
      "release_date": "2024-03-27T23:00:00Z",
      "title": "CVE-2024-20354"
    }
  ]
}

{
  "document": {
    "acknowledgments": [
      {
        "summary": "This vulnerability was found during internal security testing."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "text": "A vulnerability in the boot process of Cisco Access Point (AP) Software could allow an unauthenticated, physical attacker to bypass the Cisco Secure Boot functionality and load a software image that has been tampered with on an affected device.\r\n\r\nThis vulnerability exists because unnecessary commands are available during boot time at the physical console. An attacker could exploit this vulnerability by interrupting the boot process and executing specific commands to bypass the Cisco Secure Boot validation checks and load an image that has been tampered with. This image would have been previously downloaded onto the targeted device. A successful exploit could allow the attacker to load the image once. The Cisco Secure Boot functionality is not permanently compromised.\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\n\r\n6300 Series Embedded Services APs\r\n\r\nAironet 1540 Series APs\r\n\r\nAironet 1560 Series APs\r\nAironet 1800 Series APs\r\nAironet 2800 Series APs\r\nAironet 3800 Series APs\r\nAironet 4800 APs\r\nBusiness 100 Series APs and Mesh Extenders\r\nBusiness 200 Series APs\r\nCatalyst 9105AX Series APs\r\nCatalyst 9115 Series APs\r\nCatalyst 9120AX Series APs\r\nCatalyst 9124AX Series APs\r\nCatalyst 9130AX Series APs\r\nCatalyst 9136 Series APs\r\n\r\nCatalyst Cellular Gateways\r\nCatalyst IW6300 Heavy Duty Series APs\r\nWide Pluggable Form Factor Wi-Fi 6 AP Module for Industrial Routers\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 the following Cisco products:\r\n\r\n\r\nAironet 1530 Series APs\r\n\r\nAironet 1550 Series APs\r\nAironet 1570 Series APs\r\nCatalyst 9162 Series APs\r\nCatalyst 9164 Series APs\r\nCatalyst 9166 Series APs\r\nIOS XR Software\r\nMeraki products\r\nNX-OS Software\r\nSmall Business Wireless APs\r\nWireless LAN Controller (WLC) Software\r\n\r\nCisco has also confirmed that this vulnerability does not affect any Cisco AP 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 right column indicates whether a release is affected by the vulnerability that is described in this advisory and the first release that includes the fix for this vulnerability.\r\n\r\nThe process to upgrade an AP requires upgrading the wireless controller to which the AP is registered. Customers are advised to upgrade to an appropriate fixed software release [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"] as indicated in this section.\r\n\r\nAPs Managed by WLC or Mobility Express (ME)\r\n        Cisco Wireless LAN Controller Software Release  First Fixed Release          8.9 and earlier  Migrate to a fixed release.      8.10  8.10.190.0\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          17.2 and earlier  Migrate to fixed release.      17.3  17.3.8      17.4  Migrate to fixed release.      17.5  Migrate to fixed release.      17.6  17.6.6      17.7  Migrate to fixed release.      17.8  Migrate to fixed release.      17.9  17.9.4      17.10  Migrate to fixed release.      17.11  Migrate to fixed release.      17.12  Not vulnerable.\r\nBusiness 140, 141, 142, 143, 145, and 240 APs and Mesh Extenders\r\n        Cisco Business Wireless AP Software Release  First Fixed Release          10.8.1 and earlier  Migrate to fixed release.      10.9.1  10.9.1.0\r\nBusiness 150 and 151 APs and Mesh Extenders\r\n        Cisco Business Wireless AP Software Release  First Fixed Release          10.5.2 and earlier  Migrate to fixed release.      10.6.2  10.6.2.0\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": "This vulnerability was found during internal security testing.",
        "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 Secure Boot Bypass Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-secureboot-bypass-zT5vJkSD"
      },
      {
        "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 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 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 Secure Boot Bypass Vulnerability",
    "tracking": {
      "current_release_date": "2024-03-27T16:00:00+00:00",
      "generator": {
        "date": "2024-05-10T23:29:55+00:00",
        "engine": {
          "name": "TVCE"
        }
      },
      "id": "cisco-sa-ap-secureboot-bypass-zT5vJkSD",
      "initial_release_date": "2024-03-27T16:00:00+00:00",
      "revision_history": [
        {
          "date": "2024-03-27T15:55:11+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 IOS XE Software",
            "product": {
              "name": "Cisco IOS XE Software ",
              "product_id": "CSAFPID-93036"
            }
          },
          {
            "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-2024-20265",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwf62026"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-93036",
          "CSAFPID-190024",
          "CSAFPID-280012",
          "CSAFPID-280019"
        ]
      },
      "release_date": "2024-03-27T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-190024",
            "CSAFPID-280012",
            "CSAFPID-93036",
            "CSAFPID-280019"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-93036",
            "CSAFPID-190024",
            "CSAFPID-280012",
            "CSAFPID-280019"
          ]
        }
      ],
      "title": "Cisco Access Point Software Secure Boot Bypass Vulnerability"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2024-20265"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-501"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-03-27T17:15:51Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability in the boot process of Cisco Access Point (AP) Software could allow an unauthenticated, physical attacker to bypass the Cisco Secure Boot functionality and load a software image that has been tampered with on an affected device.\n\n This vulnerability exists because unnecessary commands are available during boot time at the physical console. An attacker could exploit this vulnerability by interrupting the boot process and executing specific commands to bypass the Cisco Secure Boot validation checks and load an image that has been tampered with. This image would have been previously downloaded onto the targeted device. A successful exploit could allow the attacker to load the image once. The Cisco Secure Boot functionality is not permanently compromised.",
  "id": "GHSA-gqw2-gvrw-vqqg",
  "modified": "2024-03-27T18:32:38Z",
  "published": "2024-03-27T18:32:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-20265"
    },
    {
      "type": "WEB",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-secureboot-bypass-zT5vJkSD"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

{
  "GSD": {
    "alias": "CVE-2024-20265",
    "id": "GSD-2024-20265"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-20265"
      ],
      "details": "A vulnerability in the boot process of Cisco Access Point (AP) Software could allow an unauthenticated, physical attacker to bypass the Cisco Secure Boot functionality and load a software image that has been tampered with on an affected device.\r\n\r This vulnerability exists because unnecessary commands are available during boot time at the physical console. An attacker could exploit this vulnerability by interrupting the boot process and executing specific commands to bypass the Cisco Secure Boot validation checks and load an image that has been tampered with. This image would have been previously downloaded onto the targeted device. A successful exploit could allow the attacker to load the image once. The Cisco Secure Boot functionality is not permanently compromised.",
      "id": "GSD-2024-20265",
      "modified": "2023-12-13T01:21:43.174662Z",
      "schema_version": "1.4.0"
    }
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            "value": "A vulnerability in the boot process of Cisco Access Point (AP) Software could allow an unauthenticated, physical attacker to bypass the Cisco Secure Boot functionality and load a software image that has been tampered with on an affected device.\r\n\r This vulnerability exists because unnecessary commands are available during boot time at the physical console. An attacker could exploit this vulnerability by interrupting the boot process and executing specific commands to bypass the Cisco Secure Boot validation checks and load an image that has been tampered with. This image would have been previously downloaded onto the targeted device. A successful exploit could allow the attacker to load the image once. The Cisco Secure Boot functionality is not permanently compromised."
          }
        ]
      },
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          "lang": "en",
          "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
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            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
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            "description": [
              {
                "cweId": "CWE-501",
                "lang": "eng",
                "value": "Trust Boundary Violation"
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        "reference_data": [
          {
            "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-secureboot-bypass-zT5vJkSD",
            "refsource": "MISC",
            "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-secureboot-bypass-zT5vJkSD"
          }
        ]
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      "source": {
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        "defects": [
          "CSCwf62026"
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        "discovery": "INTERNAL"
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        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability in the boot process of Cisco Access Point (AP) Software could allow an unauthenticated, physical attacker to bypass the Cisco Secure Boot functionality and load a software image that has been tampered with on an affected device.\r\n\r This vulnerability exists because unnecessary commands are available during boot time at the physical console. An attacker could exploit this vulnerability by interrupting the boot process and executing specific commands to bypass the Cisco Secure Boot validation checks and load an image that has been tampered with. This image would have been previously downloaded onto the targeted device. A successful exploit could allow the attacker to load the image once. The Cisco Secure Boot functionality is not permanently compromised."
          }
        ],
        "id": "CVE-2024-20265",
        "lastModified": "2024-03-27T17:48:21.140",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
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                "baseScore": 5.9,
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              "exploitabilityScore": 0.7,
              "impactScore": 5.2,
              "source": "ykramarz@cisco.com",
              "type": "Secondary"
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          ]
        },
        "published": "2024-03-27T17:15:51.113",
        "references": [
          {
            "source": "ykramarz@cisco.com",
            "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-secureboot-bypass-zT5vJkSD"
          }
        ],
        "sourceIdentifier": "ykramarz@cisco.com",
        "vulnStatus": "Awaiting Analysis",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-501"
              }
            ],
            "source": "ykramarz@cisco.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}