FKIE_CVE-2024-20314

Vulnerability from fkie_nvd - Published: 2024-03-27 17:15 - Updated: 2025-07-30 13:33
Summary
A vulnerability in the IPv4 Software-Defined Access (SD-Access) fabric edge node feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause high CPU utilization and stop all traffic processing, resulting in a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain IPv4 packets. An attacker could exploit this vulnerability by sending certain IPv4 packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition.
Impacted products
Vendor Product Version
cisco ios_xe 16.1.1
cisco ios_xe 16.1.2
cisco ios_xe 16.1.3
cisco ios_xe 16.2.1
cisco ios_xe 16.2.2
cisco ios_xe 16.3.1
cisco ios_xe 16.3.1a
cisco ios_xe 16.3.2
cisco ios_xe 16.3.3
cisco ios_xe 16.3.4
cisco ios_xe 16.3.5
cisco ios_xe 16.3.5b
cisco ios_xe 16.3.6
cisco ios_xe 16.3.7
cisco ios_xe 16.3.8
cisco ios_xe 16.3.9
cisco ios_xe 16.3.10
cisco ios_xe 16.3.11
cisco ios_xe 16.4.1
cisco ios_xe 16.4.2
cisco ios_xe 16.4.3
cisco ios_xe 16.5.1
cisco ios_xe 16.5.1a
cisco ios_xe 16.5.1b
cisco ios_xe 16.5.2
cisco ios_xe 16.5.3
cisco ios_xe 16.6.1
cisco ios_xe 16.6.2
cisco ios_xe 16.6.3
cisco ios_xe 16.6.4
cisco ios_xe 16.6.4a
cisco ios_xe 16.6.5
cisco ios_xe 16.6.5a
cisco ios_xe 16.6.6
cisco ios_xe 16.6.7
cisco ios_xe 16.6.8
cisco ios_xe 16.6.9
cisco ios_xe 16.6.10
cisco ios_xe 16.7.1
cisco ios_xe 16.7.1a
cisco ios_xe 16.7.1b
cisco ios_xe 16.7.2
cisco ios_xe 16.7.3
cisco ios_xe 16.7.4
cisco ios_xe 16.8.1
cisco ios_xe 16.8.1a
cisco ios_xe 16.8.1b
cisco ios_xe 16.8.1c
cisco ios_xe 16.8.1d
cisco ios_xe 16.8.1e
cisco ios_xe 16.8.1s
cisco ios_xe 16.8.2
cisco ios_xe 16.8.3
cisco ios_xe 16.9.1
cisco ios_xe 16.9.1a
cisco ios_xe 16.9.1b
cisco ios_xe 16.9.1s
cisco ios_xe 16.9.2
cisco ios_xe 16.9.3
cisco ios_xe 16.9.3a
cisco ios_xe 16.9.4
cisco ios_xe 16.9.5
cisco ios_xe 16.9.5f
cisco ios_xe 16.9.6
cisco ios_xe 16.9.7
cisco ios_xe 16.9.8
cisco ios_xe 16.10.1
cisco ios_xe 16.10.1a
cisco ios_xe 16.10.1b
cisco ios_xe 16.10.1c
cisco ios_xe 16.10.1d
cisco ios_xe 16.10.1e
cisco ios_xe 16.10.1f
cisco ios_xe 16.10.1g
cisco ios_xe 16.10.1s
cisco ios_xe 16.10.2
cisco ios_xe 16.10.3
cisco ios_xe 16.11.1
cisco ios_xe 16.11.1a
cisco ios_xe 16.11.1b
cisco ios_xe 16.11.1s
cisco ios_xe 16.11.2
cisco ios_xe 16.12.1
cisco ios_xe 16.12.1a
cisco ios_xe 16.12.1c
cisco ios_xe 16.12.1s
cisco ios_xe 16.12.1t
cisco ios_xe 16.12.1w
cisco ios_xe 16.12.1x
cisco ios_xe 16.12.1y
cisco ios_xe 16.12.1z1
cisco ios_xe 16.12.1z2
cisco ios_xe 16.12.2
cisco ios_xe 16.12.2a
cisco ios_xe 16.12.2s
cisco ios_xe 16.12.3
cisco ios_xe 16.12.3a
cisco ios_xe 16.12.3s
cisco ios_xe 16.12.4
cisco ios_xe 16.12.4a
cisco ios_xe 16.12.5
cisco ios_xe 16.12.5a
cisco ios_xe 16.12.5b
cisco ios_xe 16.12.6
cisco ios_xe 16.12.6a
cisco ios_xe 16.12.7
cisco ios_xe 16.12.8
cisco ios_xe 16.12.9
cisco ios_xe 16.12.10
cisco ios_xe 16.12.10a
cisco ios_xe 17.1.1
cisco ios_xe 17.1.1a
cisco ios_xe 17.1.1s
cisco ios_xe 17.1.1t
cisco ios_xe 17.1.3
cisco ios_xe 17.2.1
cisco ios_xe 17.2.1a
cisco ios_xe 17.2.1r
cisco ios_xe 17.2.1v
cisco ios_xe 17.2.2
cisco ios_xe 17.2.3
cisco ios_xe 17.3.1
cisco ios_xe 17.3.1a
cisco ios_xe 17.3.1w
cisco ios_xe 17.3.1x
cisco ios_xe 17.3.1z
cisco ios_xe 17.3.2
cisco ios_xe 17.3.2a
cisco ios_xe 17.3.3
cisco ios_xe 17.3.4
cisco ios_xe 17.3.4a
cisco ios_xe 17.3.4b
cisco ios_xe 17.3.4c
cisco ios_xe 17.3.5
cisco ios_xe 17.3.5a
cisco ios_xe 17.3.5b
cisco ios_xe 17.3.6
cisco ios_xe 17.3.7
cisco ios_xe 17.4.1
cisco ios_xe 17.4.1a
cisco ios_xe 17.4.1b
cisco ios_xe 17.4.2
cisco ios_xe 17.4.2a
cisco ios_xe 17.5.1
cisco ios_xe 17.5.1a
cisco ios_xe 17.6.1
cisco ios_xe 17.6.1a
cisco ios_xe 17.6.1w
cisco ios_xe 17.6.1x
cisco ios_xe 17.6.1y
cisco ios_xe 17.6.1z
cisco ios_xe 17.6.1z1
cisco ios_xe 17.6.2
cisco ios_xe 17.6.3
cisco ios_xe 17.6.3a
cisco ios_xe 17.6.4
cisco ios_xe 17.6.5
cisco ios_xe 17.6.5a
cisco ios_xe 17.7.1
cisco ios_xe 17.7.1a
cisco ios_xe 17.7.1b
cisco ios_xe 17.7.2
cisco ios_xe 17.8.1
cisco ios_xe 17.8.1a
cisco ios_xe 17.9.1
cisco ios_xe 17.9.1a
cisco ios_xe 17.9.1w
cisco ios_xe 17.9.1x
cisco ios_xe 17.9.1x1
cisco ios_xe 17.9.1y
cisco ios_xe 17.9.1y1
cisco ios_xe 17.9.2
cisco ios_xe 17.9.2a
cisco ios_xe 17.9.3
cisco ios_xe 17.9.3a
cisco ios_xe 17.9.4
cisco ios_xe 17.9.4a
cisco ios_xe 17.10.1
cisco ios_xe 17.10.1a
cisco ios_xe 17.10.1b
cisco ios_xe 17.11.1
cisco ios_xe 17.11.1a
cisco ios_xe 17.11.99sw
cisco ios_xe 17.12.1
cisco ios_xe 17.12.1a
cisco ios_xe 17.12.1w

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          "negate": false,
          "operator": "OR"
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the IPv4 Software-Defined Access (SD-Access) fabric edge node feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause high CPU utilization and stop all traffic processing, resulting in a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to improper handling of certain IPv4 packets. An attacker could exploit this vulnerability by sending certain IPv4 packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la funci\u00f3n de nodo de borde de la estructura de acceso definido por software (SD-Access) IPv4 del software Cisco IOS XE podr\u00eda permitir que un atacante remoto no autenticado cause una alta utilizaci\u00f3n de la CPU y detenga todo el procesamiento del tr\u00e1fico, lo que resultar\u00eda en una denegaci\u00f3n de servicio (DoS). condici\u00f3n en un dispositivo afectado. Esta vulnerabilidad se debe al manejo inadecuado de ciertos paquetes IPv4. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando ciertos paquetes IPv4 a un dispositivo afectado. Un exploit exitoso podr\u00eda permitir al atacante hacer que el dispositivo agote los recursos de la CPU y deje de procesar el tr\u00e1fico, lo que resultar\u00eda en una condici\u00f3n DoS."
    }
  ],
  "id": "CVE-2024-20314",
  "lastModified": "2025-07-30T13:33:12.180",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.0,
        "source": "psirt@cisco.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-03-27T17:15:52.920",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-sda-edge-dos-qZWuWXWG"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-sda-edge-dos-qZWuWXWG"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-783"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Secondary"
    }
  ]
}


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Sightings

Author Source Type Date

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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