FKIE_CVE-2020-3428

Vulnerability from fkie_nvd - Published: 2020-09-24 18:15 - Updated: 2026-06-17 03:18
Summary
A vulnerability in the WLAN Local Profiling feature of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to incorrect parsing of HTTP packets while performing HTTP-based endpoint device classifications. An attacker could exploit this vulnerability by sending a crafted HTTP packet to an affected device. A successful exploit could cause an affected device to reboot, resulting in a DoS condition.
Impacted products
Vendor Product Version
cisco ios_xe -
cisco 1100_integrated_services_router -
cisco 1101_integrated_services_router -
cisco 1109_integrated_services_router -
cisco 1111x_integrated_services_router -
cisco 111x_integrated_services_router -
cisco 1120_integrated_services_router -
cisco 1160_integrated_services_router -
cisco 4221_integrated_services_router -
cisco 4321_integrated_services_router -
cisco 4331_integrated_services_router -
cisco 4351_integrated_services_router -
cisco 4431_integrated_services_router -
cisco 4451-x_integrated_services_router -
cisco 4461_integrated_services_router -
cisco asr_1001-hx -
cisco asr_1001-x -
cisco asr_1002-hx -
cisco asr_1002-x -
cisco asr_1004 -
cisco asr_1006 -
cisco asr_1006-x -
cisco asr_1009-x -
cisco asr_1013 -
cisco catalyst_9800-40 -
cisco catalyst_9800-80 -
cisco catalyst_9800-cl -
cisco catalyst_9800-l -
cisco catalyst_9800-l-c -
cisco catalyst_9800-l-f -
cisco catalyst_c9200-24p -
cisco catalyst_c9200-24t -
cisco catalyst_c9200-48p -
cisco catalyst_c9200-48t -
cisco catalyst_c9200l-24p-4g -
cisco catalyst_c9200l-24p-4x -
cisco catalyst_c9200l-24pxg-2y -
cisco catalyst_c9200l-24pxg-4x -
cisco catalyst_c9200l-24t-4g -
cisco catalyst_c9200l-24t-4x -
cisco catalyst_c9200l-48p-4g -
cisco catalyst_c9300-24p -
cisco catalyst_c9300-24s -
cisco catalyst_c9300-24t -
cisco catalyst_c9300-24u -
cisco catalyst_c9300-24ux -
cisco catalyst_c9300-48p -
cisco catalyst_c9300-48s -
cisco catalyst_c9300-48t -
cisco catalyst_c9300-48u -
cisco catalyst_c9300-48un -
cisco catalyst_c9300-48uxm -
cisco catalyst_c9300l-24p-4g -
cisco catalyst_c9300l-24p-4x -
cisco catalyst_c9300l-24t-4g -
cisco catalyst_c9300l-24t-4x -
cisco catalyst_c9300l-48p-4g -
cisco catalyst_c9300l-48p-4x -
cisco catalyst_c9300l-48t-4g -
cisco catalyst_c9300l-48t-4x -
cisco catalyst_c9404r -
cisco catalyst_c9407r -
cisco catalyst_c9410r -
cisco catalyst_c9500-12q -
cisco catalyst_c9500-16x -
cisco catalyst_c9500-24q -
cisco catalyst_c9500-24y4c -
cisco catalyst_c9500-32c -
cisco catalyst_c9500-32qc -
cisco catalyst_c9500-40x -
cisco catalyst_c9500-48y4c -
cisco catalyst_c9600_switch -
cisco cloud_services_router_1000v -
cisco integrated_services_virtual_router -

{
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    {
      "affectedData": [
        {
          "product": "Cisco IOS XE Software",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "psirt@cisco.com"
    }
  ],
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the WLAN Local Profiling feature of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to incorrect parsing of HTTP packets while performing HTTP-based endpoint device classifications. An attacker could exploit this vulnerability by sending a crafted HTTP packet to an affected device. A successful exploit could cause an affected device to reboot, resulting in a DoS condition."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la funcionalidad WLAN Local Profiling de Cisco IOS XE Wireless Controller Software para Cisco Catalyst 9000 Family, podr\u00eda permitir a un atacante adyacente no autenticado causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado.\u0026#xa0;La vulnerabilidad es debido a un an\u00e1lisis incorrecto de paquetes HTTP mientras se llevan a cabo clasificaciones de dispositivos endpoint basadas en HTTP.\u0026#xa0;Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de un paquete HTTP dise\u00f1ado hacia un dispositivo afectado.\u0026#xa0;Una explotaci\u00f3n con \u00e9xito podr\u00eda hacer que un dispositivo afectado se reinicie, resultando una condici\u00f3n DoS."
    }
  ],
  "id": "CVE-2020-3428",
  "lastModified": "2026-06-17T03:18:15.310",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 4.0,
        "source": "psirt@cisco.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "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,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-3428",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-11-13T17:23:12.041103Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2020-09-24T18:15:19.387",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dclass-dos-VKh9D8k3"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dclass-dos-VKh9D8k3"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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