cisco-sa-c9800-snmp-trap-dos-mjent3ey
Vulnerability from csaf_cisco
Published
2022-04-13 16:00
Modified
2022-04-13 16:00
Summary
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Trap Denial of Service Vulnerability

Notes

Summary
A vulnerability in Simple Network Management Protocol (SNMP) trap generation for wireless clients of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition on the device. This vulnerability is due to a lack of input validation of the information used to generate an SNMP trap related to a wireless client connection event. An attacker could exploit this vulnerability by sending an 802.1x packet with crafted parameters during the wireless authentication setup phase of a connection. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-snmp-trap-dos-mjent3Ey ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-snmp-trap-dos-mjent3Ey"] This advisory is part of the April 2022 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: April 2022 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication. ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74561"]
Vulnerable Products
This vulnerability affects the following Cisco devices if they are running a vulnerable release of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family and are configured to send SNMP traps for wireless client exclusion events (disabled by default): Catalyst 9800 Embedded Wireless Controllers for Catalyst 9300, 9400, and 9500 Series Switches Catalyst 9800 Series Wireless Controllers Catalyst 9800-CL Wireless Controllers for Cloud Embedded Wireless Controllers on Catalyst Access Points For information about which Cisco software releases are vulnerable, see the Fixed Software ["#fs"] section of this advisory. Determine the Device Configuration To determine whether any SNMP trapflags for client exclusion events are enabled on a device, log in to the device and run the show running-config | include trapflags client excluded command on the CLI to check for the presence of the trapflags client excluded command in the global configuration. If any output is returned, then the device is considered vulnerable. The following example shows the output of the show running-config | include trapflags client excluded command for a device that has SNMP client event trapflags configured: Router# show running-config | include trapflags client excluded trapflags client excluded
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products ["#vp"] section of this advisory are known to be affected by this vulnerability. Cisco has confirmed that this vulnerability does not affect the following Cisco products: IOS Software IOS XR Software Meraki products NX-OS Software Wireless LAN Controller (WLC) AireOS Software
Workarounds
Customers who do not require SNMP traps for wireless-excluded clients can disable them from the CLI with the global configuration command, as shown in the following example: WLC(config)#no trapflags client excluded While this workaround has been deployed and was proven successful in a test environment, customers should determine the applicability and effectiveness in their own environment and under their own use conditions. Customers should be aware that any workaround or mitigation that is implemented may negatively impact the functionality or performance of their network based on intrinsic customer deployment scenarios and limitations. Customers should not deploy any workarounds or mitigations before first evaluating the applicability to their own environment and any impact to such environment.
Fixed Software
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. Customers 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: https://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"] Additionally, 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. The 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. When 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. In 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. Customers Without Service Contracts Customers 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"] Customers 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. Cisco IOS and IOS XE Software To help customers determine their exposure to vulnerabilities in Cisco IOS and IOS XE Software, Cisco provides the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] to identify any Cisco Security Advisories that impact a specific software release and the earliest release that fixes the vulnerabilities described in each advisory (“First Fixed”). If applicable, the tool also returns the earliest release that fixes all the vulnerabilities described in all the advisories identified (“Combined First Fixed”). Customers can use the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] to search advisories in the following ways: Choose the software and one or more releases Upload a .txt file that includes a list of specific releases Enter the output of the show version command After initiating a search, customers can customize the search to include all Cisco Security Advisories, a specific advisory, or all advisories in the most recent bundled publication. Customers can also use the following form to determine whether a release is affected by any Cisco Security Advisory by entering a Cisco IOS or IOS XE Software release—for example, 15.1(4)M2 or 3.13.8S: By default, the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] includes results only for vulnerabilities that have a Critical or High Security Impact Rating (SIR). To include results for Medium SIR vulnerabilities, customers can use the Cisco Software Checker on Cisco.com and check the Medium check box in the drop-down list under Impact Rating when customizing a search.
Vulnerability Policy
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
Exploitation and Public Announcements
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
Source
This vulnerability was found during internal security testing.
Legal Disclaimer
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. A 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.


To clipboard 

{
  "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 Simple Network Management Protocol (SNMP) trap generation for wireless clients of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition on the device.\r\n\r\nThis vulnerability is due to a lack of input validation of the information used to generate an SNMP trap related to a wireless client connection event. An attacker could exploit this vulnerability by sending an 802.1x packet with crafted parameters during the wireless authentication setup phase of a connection. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.\r\n\r\nCisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability.\r\n\r\nThis advisory is available at the following link:\r\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-snmp-trap-dos-mjent3Ey [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-snmp-trap-dos-mjent3Ey\"]\r\n\r\nThis advisory is part of the April 2022 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: April 2022 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication. [\"https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74561\"]",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "This vulnerability affects the following Cisco devices if they are running a vulnerable release of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family and are configured to send SNMP traps for wireless client exclusion events (disabled by default):\r\n\r\nCatalyst 9800 Embedded Wireless Controllers for Catalyst 9300, 9400, and 9500 Series Switches\r\nCatalyst 9800 Series Wireless Controllers\r\nCatalyst 9800-CL Wireless Controllers for Cloud\r\nEmbedded Wireless Controllers on Catalyst Access Points\r\n\r\nFor information about which Cisco software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.\r\n Determine the Device Configuration\r\nTo determine whether any SNMP trapflags for client exclusion events are enabled on a device, log in to the device and run the show running-config | include trapflags client excluded command on the CLI to check for the presence of the trapflags client excluded command in the global configuration. If any output is returned, then the device is considered vulnerable.\r\n\r\nThe following example shows the output of the show running-config | include trapflags client excluded command for a device that has SNMP client event trapflags configured:\r\n\r\n\r\nRouter# show running-config | include trapflags client excluded\r\ntrapflags client excluded",
        "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\nIOS Software\r\nIOS XR Software\r\nMeraki products\r\nNX-OS Software\r\nWireless LAN Controller (WLC) AireOS Software",
        "title": "Products Confirmed Not Vulnerable"
      },
      {
        "category": "general",
        "text": "Customers who do not require SNMP traps for wireless-excluded clients can disable them from the CLI with the global configuration command, as shown in the following example:\r\n\r\n\r\nWLC(config)#no trapflags client excluded\r\n\r\nWhile this workaround has been deployed and was proven successful in a test environment, customers should determine the applicability and effectiveness in their own environment and under their own use conditions. Customers should be aware that any workaround or mitigation that is implemented may negatively impact the functionality or performance of their network based on intrinsic customer deployment scenarios and limitations. Customers should not deploy any workarounds or mitigations before first evaluating the applicability to their own environment and any impact to such environment.",
        "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    Cisco IOS and IOS XE Software\r\nTo help customers determine their exposure to vulnerabilities in Cisco IOS and IOS XE Software, Cisco provides the Cisco Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"] to identify any Cisco Security Advisories that impact a specific software release and the earliest release that fixes the vulnerabilities described in each advisory (\u201cFirst Fixed\u201d). If applicable, the tool also returns the earliest release that fixes all the vulnerabilities described in all the advisories identified (\u201cCombined First Fixed\u201d).\r\n\r\nCustomers can use the Cisco Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"] to search advisories in the following ways:\r\n\r\nChoose the software and one or more releases\r\nUpload a .txt file that includes a list of specific releases\r\nEnter the output of the show version command\r\n\r\nAfter initiating a search, customers can customize the search to include all Cisco Security Advisories, a specific advisory, or all advisories in the most recent bundled publication.\r\n\r\nCustomers can also use the following form to determine whether a release is affected by any Cisco Security Advisory by entering a Cisco IOS or IOS XE Software release\u2014for example, 15.1(4)M2 or 3.13.8S:\r\n\r\n\r\n\r\nBy default, the Cisco Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"] includes results only for vulnerabilities that have a Critical or High Security Impact Rating (SIR). To include results for Medium SIR vulnerabilities, customers can use the Cisco Software Checker on Cisco.com and check the Medium check box in the drop-down list under Impact Rating when customizing a search.",
        "title": "Fixed Software"
      },
      {
        "category": "general",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/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 Product Security Incident Response Team (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": "Emergency Support:\r\n+1 877 228 7302 (toll-free within North America)\r\n+1 408 525 6532 (International direct-dial)\r\nNon-emergency Support:\r\nEmail: psirt@cisco.com\r\nSupport requests that are received via e-mail are typically acknowledged within 48 hours.",
      "issuing_authority": "Cisco product security incident response is the responsibility of the Cisco Product Security Incident Response Team (PSIRT). The Cisco PSIRT is a dedicated, global team that manages the receipt, investigation, and public reporting of security vulnerability information that is related to Cisco products and networks. The on-call Cisco PSIRT works 24x7 with Cisco customers, independent security researchers, consultants, industry organizations, and other vendors to identify possible security issues with Cisco products and networks.\r\nMore information can be found in Cisco Security Vulnerability Policy available at https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html",
      "name": "Cisco",
      "namespace": "https://wwww.cisco.com"
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    "references": [
      {
        "category": "self",
        "summary": "Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Trap Denial of Service Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-snmp-trap-dos-mjent3Ey"
      },
      {
        "category": "external",
        "summary": "Cisco Event Response: April 2022 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication",
        "url": "https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74561"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-snmp-trap-dos-mjent3Ey",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-snmp-trap-dos-mjent3Ey"
      },
      {
        "category": "external",
        "summary": "Cisco\u0026nbsp;Event Response: April 2022 Semiannual Cisco\u0026nbsp;IOS and IOS XE Software Security Advisory Bundled Publication.",
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      },
      {
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        "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"
      },
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        "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": "Cisco\u0026nbsp;Software Checker",
        "url": "https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"
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      {
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        "summary": "Cisco\u0026nbsp;Software Checker",
        "url": "https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"
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        "url": "https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"
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      {
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        "summary": "Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      }
    ],
    "title": "Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Trap Denial of Service Vulnerability",
    "tracking": {
      "current_release_date": "2022-04-13T16:00:00+00:00",
      "generator": {
        "date": "2022-10-22T03:13:38+00:00",
        "engine": {
          "name": "TVCE"
        }
      },
      "id": "cisco-sa-c9800-snmp-trap-dos-mjent3Ey",
      "initial_release_date": "2022-04-13T16:00:00+00:00",
      "revision_history": [
        {
          "date": "2022-04-13T15:41:26+00:00",
          "number": "1.0.0",
          "summary": "Initial public release."
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "branches": [
                  {
                    "category": "service_pack",
                    "name": "16.6.1",
                    "product": {
                      "name": "16.6.1",
                      "product_id": "CSAFPID-218901"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "16.6.2",
                    "product": {
                      "name": "16.6.2",
                      "product_id": "CSAFPID-228706"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "16.6.3",
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                  },
                  {
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                      "product_id": "CSAFPID-233155"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "16.6.5",
                    "product": {
                      "name": "16.6.5",
                      "product_id": "CSAFPID-241736"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "16.6.4s",
                    "product": {
                      "name": "16.6.4s",
                      "product_id": "CSAFPID-244900"
                    }
                  },
                  {
                    "category": "service_pack",
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                    "product": {
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                      "product_id": "CSAFPID-247629"
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                  },
                  {
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                  },
                  {
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                    "name": "16.6.5b",
                    "product": {
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                      "product_id": "CSAFPID-258170"
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                  },
                  {
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                      "product_id": "CSAFPID-261241"
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                  {
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                    "product": {
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                      "product_id": "CSAFPID-270097"
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                  {
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                    "product": {
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                      "product_id": "CSAFPID-277148"
                    }
                  },
                  {
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                    "name": "16.6.9",
                    "product": {
                      "name": "16.6.9",
                      "product_id": "CSAFPID-280801"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "16.6.10",
                    "product": {
                      "name": "16.6.10",
                      "product_id": "CSAFPID-283835"
                    }
                  }
                ],
                "category": "product_version",
                "name": "16.6"
              },
              {
                "branches": [
                  {
                    "category": "service_pack",
                    "name": "16.7.1",
                    "product": {
                      "name": "16.7.1",
                      "product_id": "CSAFPID-218903"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "16.7.1a",
                    "product": {
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                      "product_id": "CSAFPID-231389"
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                  },
                  {
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                      "product_id": "CSAFPID-232767"
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                  },
                  {
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                    "name": "16.7.2",
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                  },
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                    "category": "service_pack",
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                  },
                  {
                    "category": "service_pack",
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                    "category": "service_pack",
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                    "category": "service_pack",
                    "name": "16.9.3h",
                    "product": {
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                  },
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                    "category": "service_pack",
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                    "product": {
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                      "product_id": "CSAFPID-262390"
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                  },
                  {
                    "category": "service_pack",
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                    }
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                    "category": "service_pack",
                    "name": "16.9.3a",
                    "product": {
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                      "product_id": "CSAFPID-263804"
                    }
                  },
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                    "category": "service_pack",
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                    "product": {
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                      "product_id": "CSAFPID-268921"
                    }
                  },
                  {
                    "category": "service_pack",
                    "name": "16.9.5",
                    "product": {
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                  },
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                    "category": "service_pack",
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                    }
                  },
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                    "category": "service_pack",
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                    "category": "service_pack",
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                    }
                  }
                ],
                "category": "product_version",
                "name": "16.9"
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              {
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                    "category": "service_pack",
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                ],
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                  }
                ],
                "category": "product_version",
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            ],
            "category": "product_family",
            "name": "Cisco IOS XE Software"
          },
          {
            "category": "product_family",
            "name": "Cisco IOS XE Software",
            "product": {
              "name": "Cisco IOS XE Software ",
              "product_id": "CSAFPID-93036"
            }
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-20684",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCvs71784"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-218901",
          "CSAFPID-218903",
          "CSAFPID-218905",
          "CSAFPID-225856",
          "CSAFPID-225858",
          "CSAFPID-227918",
          "CSAFPID-227920",
          "CSAFPID-228706",
          "CSAFPID-231389",
          "CSAFPID-231682",
          "CSAFPID-232008",
          "CSAFPID-232767",
          "CSAFPID-233155",
          "CSAFPID-235307",
          "CSAFPID-235858",
          "CSAFPID-236834",
          "CSAFPID-236837",
          "CSAFPID-237460",
          "CSAFPID-241736",
          "CSAFPID-242308",
          "CSAFPID-242834",
          "CSAFPID-243362",
          "CSAFPID-244070",
          "CSAFPID-244071",
          "CSAFPID-244530",
          "CSAFPID-244900",
          "CSAFPID-245375",
          "CSAFPID-245377",
          "CSAFPID-247629",
          "CSAFPID-248242",
          "CSAFPID-249171",
          "CSAFPID-250629",
          "CSAFPID-251075",
          "CSAFPID-251166",
          "CSAFPID-252045",
          "CSAFPID-252235",
          "CSAFPID-252271",
          "CSAFPID-252272",
          "CSAFPID-252913",
          "CSAFPID-252914",
          "CSAFPID-254688",
          "CSAFPID-257955",
          "CSAFPID-257984",
          "CSAFPID-258170",
          "CSAFPID-258229",
          "CSAFPID-258388",
          "CSAFPID-258900",
          "CSAFPID-260741",
          "CSAFPID-261240",
          "CSAFPID-261241",
          "CSAFPID-261465",
          "CSAFPID-262390",
          "CSAFPID-262549",
          "CSAFPID-262595",
          "CSAFPID-263804",
          "CSAFPID-264096",
          "CSAFPID-265735",
          "CSAFPID-265841",
          "CSAFPID-266259",
          "CSAFPID-267110",
          "CSAFPID-267240",
          "CSAFPID-267605",
          "CSAFPID-268921",
          "CSAFPID-270097",
          "CSAFPID-271798",
          "CSAFPID-271938",
          "CSAFPID-272047",
          "CSAFPID-272932",
          "CSAFPID-273112",
          "CSAFPID-273509",
          "CSAFPID-273649",
          "CSAFPID-274818",
          "CSAFPID-274832",
          "CSAFPID-275538",
          "CSAFPID-276837",
          "CSAFPID-277148",
          "CSAFPID-277256",
          "CSAFPID-277338",
          "CSAFPID-277348",
          "CSAFPID-277945",
          "CSAFPID-280651",
          "CSAFPID-280652",
          "CSAFPID-280801",
          "CSAFPID-280938",
          "CSAFPID-281320",
          "CSAFPID-283831",
          "CSAFPID-283835",
          "CSAFPID-93036"
        ]
      },
      "release_date": "2022-04-13T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-218901",
            "CSAFPID-218903",
            "CSAFPID-218905",
            "CSAFPID-225856",
            "CSAFPID-225858",
            "CSAFPID-227918",
            "CSAFPID-227920",
            "CSAFPID-228706",
            "CSAFPID-231389",
            "CSAFPID-231682",
            "CSAFPID-232008",
            "CSAFPID-232767",
            "CSAFPID-233155",
            "CSAFPID-235307",
            "CSAFPID-235858",
            "CSAFPID-236834",
            "CSAFPID-236837",
            "CSAFPID-237460",
            "CSAFPID-241736",
            "CSAFPID-242308",
            "CSAFPID-242834",
            "CSAFPID-243362",
            "CSAFPID-244070",
            "CSAFPID-244071",
            "CSAFPID-244530",
            "CSAFPID-244900",
            "CSAFPID-245375",
            "CSAFPID-245377",
            "CSAFPID-247629",
            "CSAFPID-248242",
            "CSAFPID-249171",
            "CSAFPID-250629",
            "CSAFPID-251075",
            "CSAFPID-251166",
            "CSAFPID-252045",
            "CSAFPID-252235",
            "CSAFPID-252271",
            "CSAFPID-252272",
            "CSAFPID-252913",
            "CSAFPID-252914",
            "CSAFPID-254688",
            "CSAFPID-257955",
            "CSAFPID-257984",
            "CSAFPID-258170",
            "CSAFPID-258229",
            "CSAFPID-258388",
            "CSAFPID-258900",
            "CSAFPID-260741",
            "CSAFPID-261240",
            "CSAFPID-261241",
            "CSAFPID-261465",
            "CSAFPID-262390",
            "CSAFPID-262549",
            "CSAFPID-262595",
            "CSAFPID-263804",
            "CSAFPID-264096",
            "CSAFPID-265735",
            "CSAFPID-265841",
            "CSAFPID-266259",
            "CSAFPID-267110",
            "CSAFPID-267240",
            "CSAFPID-267605",
            "CSAFPID-268921",
            "CSAFPID-270097",
            "CSAFPID-271798",
            "CSAFPID-271938",
            "CSAFPID-272047",
            "CSAFPID-272932",
            "CSAFPID-273112",
            "CSAFPID-273509",
            "CSAFPID-273649",
            "CSAFPID-274818",
            "CSAFPID-274832",
            "CSAFPID-275538",
            "CSAFPID-276837",
            "CSAFPID-277148",
            "CSAFPID-277256",
            "CSAFPID-277338",
            "CSAFPID-277348",
            "CSAFPID-277945",
            "CSAFPID-280651",
            "CSAFPID-280652",
            "CSAFPID-280801",
            "CSAFPID-280938",
            "CSAFPID-281320",
            "CSAFPID-283831",
            "CSAFPID-283835",
            "CSAFPID-93036"
          ],
          "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-218901",
            "CSAFPID-218903",
            "CSAFPID-218905",
            "CSAFPID-225856",
            "CSAFPID-225858",
            "CSAFPID-227918",
            "CSAFPID-227920",
            "CSAFPID-228706",
            "CSAFPID-231389",
            "CSAFPID-231682",
            "CSAFPID-232008",
            "CSAFPID-232767",
            "CSAFPID-233155",
            "CSAFPID-235307",
            "CSAFPID-235858",
            "CSAFPID-236834",
            "CSAFPID-236837",
            "CSAFPID-237460",
            "CSAFPID-241736",
            "CSAFPID-242308",
            "CSAFPID-242834",
            "CSAFPID-243362",
            "CSAFPID-244070",
            "CSAFPID-244071",
            "CSAFPID-244530",
            "CSAFPID-244900",
            "CSAFPID-245375",
            "CSAFPID-245377",
            "CSAFPID-247629",
            "CSAFPID-248242",
            "CSAFPID-249171",
            "CSAFPID-250629",
            "CSAFPID-251075",
            "CSAFPID-251166",
            "CSAFPID-252045",
            "CSAFPID-252235",
            "CSAFPID-252271",
            "CSAFPID-252272",
            "CSAFPID-252913",
            "CSAFPID-252914",
            "CSAFPID-254688",
            "CSAFPID-257955",
            "CSAFPID-257984",
            "CSAFPID-258170",
            "CSAFPID-258229",
            "CSAFPID-258388",
            "CSAFPID-258900",
            "CSAFPID-260741",
            "CSAFPID-261240",
            "CSAFPID-261241",
            "CSAFPID-261465",
            "CSAFPID-262390",
            "CSAFPID-262549",
            "CSAFPID-262595",
            "CSAFPID-263804",
            "CSAFPID-264096",
            "CSAFPID-265735",
            "CSAFPID-265841",
            "CSAFPID-266259",
            "CSAFPID-267110",
            "CSAFPID-267240",
            "CSAFPID-267605",
            "CSAFPID-268921",
            "CSAFPID-270097",
            "CSAFPID-271798",
            "CSAFPID-271938",
            "CSAFPID-272047",
            "CSAFPID-272932",
            "CSAFPID-273112",
            "CSAFPID-273509",
            "CSAFPID-273649",
            "CSAFPID-274818",
            "CSAFPID-274832",
            "CSAFPID-275538",
            "CSAFPID-276837",
            "CSAFPID-277148",
            "CSAFPID-277256",
            "CSAFPID-277338",
            "CSAFPID-277348",
            "CSAFPID-277945",
            "CSAFPID-280651",
            "CSAFPID-280652",
            "CSAFPID-280801",
            "CSAFPID-280938",
            "CSAFPID-281320",
            "CSAFPID-283831",
            "CSAFPID-283835",
            "CSAFPID-93036"
          ]
        }
      ],
      "title": "Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Trap Denial of Service Vulnerability"
    }
  ]
}


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