fkie_cve-2024-20436
Vulnerability from fkie_nvd
Published
2024-09-25 17:15
Modified
2024-10-08 21:00
Summary
A vulnerability in the HTTP Server feature of Cisco IOS XE Software when the Telephony Service feature is enabled could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a null pointer dereference when accessing specific URLs. An attacker could exploit this vulnerability by sending crafted HTTP traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, causing a DoS condition on the affected device.
Impacted products
Vendor Product Version
cisco ios_xe 3.9.0as
cisco ios_xe 3.9.1s
cisco ios_xe 3.9.2s
cisco ios_xe 3.10.0s
cisco ios_xe 3.10.1s
cisco ios_xe 3.10.2s
cisco ios_xe 3.10.2ts
cisco ios_xe 3.10.3s
cisco ios_xe 3.10.4s
cisco ios_xe 3.10.5s
cisco ios_xe 3.10.6s
cisco ios_xe 3.10.7s
cisco ios_xe 3.10.8as
cisco ios_xe 3.10.8s
cisco ios_xe 3.10.9s
cisco ios_xe 3.10.10s
cisco ios_xe 3.11.0s
cisco ios_xe 3.11.1s
cisco ios_xe 3.11.2s
cisco ios_xe 3.11.3s
cisco ios_xe 3.11.4s
cisco ios_xe 3.12.0s
cisco ios_xe 3.12.1s
cisco ios_xe 3.12.2s
cisco ios_xe 3.12.3s
cisco ios_xe 3.12.4s
cisco ios_xe 3.13.0s
cisco ios_xe 3.13.1s
cisco ios_xe 3.13.2s
cisco ios_xe 3.13.3s
cisco ios_xe 3.13.4s
cisco ios_xe 3.13.5s
cisco ios_xe 3.13.6as
cisco ios_xe 3.13.6s
cisco ios_xe 3.13.7s
cisco ios_xe 3.13.8s
cisco ios_xe 3.13.9s
cisco ios_xe 3.13.10s
cisco ios_xe 3.14.0s
cisco ios_xe 3.14.1s
cisco ios_xe 3.14.2s
cisco ios_xe 3.14.3s
cisco ios_xe 3.14.4s
cisco ios_xe 3.15.0s
cisco ios_xe 3.15.1cs
cisco ios_xe 3.15.1s
cisco ios_xe 3.15.2s
cisco ios_xe 3.15.3s
cisco ios_xe 3.15.4s
cisco ios_xe 3.16.0cs
cisco ios_xe 3.16.0s
cisco ios_xe 3.16.1as
cisco ios_xe 3.16.2s
cisco ios_xe 3.16.3s
cisco ios_xe 3.16.4as
cisco ios_xe 3.16.4bs
cisco ios_xe 3.16.4ds
cisco ios_xe 3.16.5s
cisco ios_xe 3.16.6bs
cisco ios_xe 3.16.6s
cisco ios_xe 3.16.7as
cisco ios_xe 3.16.7bs
cisco ios_xe 3.16.7s
cisco ios_xe 3.16.8s
cisco ios_xe 3.16.9s
cisco ios_xe 3.16.10s
cisco ios_xe 3.17.0s
cisco ios_xe 3.17.1s
cisco ios_xe 3.17.2s
cisco ios_xe 3.17.3s
cisco ios_xe 3.17.4s
cisco ios_xe 3.18.2asp
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 16.3.6
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 16.5.1b
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 16.6.5
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 16.7.2
cisco ios_xe 16.7.3
cisco ios_xe 16.8.1
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 16.9.1s
cisco ios_xe 16.9.2
cisco ios_xe 16.9.3
cisco ios_xe 16.9.4
cisco ios_xe 16.9.5
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 16.10.1e
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 16.12.2
cisco ios_xe 16.12.2s
cisco ios_xe 16.12.3
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 16.12.6
cisco ios_xe 16.12.7
cisco ios_xe 16.12.8
cisco ios_xe 17.1.1
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 17.2.1r
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 17.3.2
cisco ios_xe 17.3.3
cisco ios_xe 17.3.4
cisco ios_xe 17.3.4a
cisco ios_xe 17.3.5
cisco ios_xe 17.3.6
cisco ios_xe 17.3.7
cisco ios_xe 17.3.8
cisco ios_xe 17.3.8a
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 17.5.1
cisco ios_xe 17.5.1a
cisco ios_xe 17.6.1
cisco ios_xe 17.6.1a
cisco ios_xe 17.6.2
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 17.6.6
cisco ios_xe 17.6.6a
cisco ios_xe 17.7.1
cisco ios_xe 17.7.1a
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 17.9.2
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 17.12.1
cisco ios_xe 17.12.1a



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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the HTTP Server feature of Cisco IOS XE Software when the Telephony Service feature is enabled could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to a null pointer dereference when accessing specific URLs. An attacker could exploit this vulnerability by sending crafted HTTP traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, causing a DoS condition on the affected device."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la funci\u00f3n de servidor HTTP del software Cisco IOS XE cuando la funci\u00f3n de servicio de telefon\u00eda est\u00e1 habilitada podr\u00eda permitir que un atacante remoto no autenticado provoque una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad se debe a una desreferencia de puntero nulo al acceder a URL espec\u00edficas. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando tr\u00e1fico HTTP manipulado a un dispositivo afectado. Una explotaci\u00f3n exitosa podr\u00eda permitir que el atacante haga que el dispositivo afectado se recargue, lo que provocar\u00eda una condici\u00f3n de DoS en el dispositivo afectado."
    }
  ],
  "id": "CVE-2024-20436",
  "lastModified": "2024-10-08T21:00:00.670",
  "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": "2024-09-25T17:15:16.400",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-httpsrvr-dos-yOZThut"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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