FKIE_CVE-2021-1435

Vulnerability from fkie_nvd - Published: 2021-03-24 20:15 - Updated: 2024-11-21 05:44
Severity ?
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to inject arbitrary commands that can be executed as the root user. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to the web UI of an affected device with arbitrary commands injected into a portion of the request. A successful exploit could allow the attacker to execute arbitrary commands as the root user.
References
psirt@cisco.comhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webcmdinjsh-UFJxTgZDVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webcmdinjsh-UFJxTgZDVendor Advisory
Impacted products
Vendor Product Version
cisco ios_xe 16.9.1
cisco ios_xe 16.9.1a
cisco ios_xe 16.9.1b
cisco ios_xe 16.9.1c
cisco ios_xe 16.9.1d
cisco ios_xe 16.9.1s
cisco ios_xe 16.9.2
cisco ios_xe 16.9.2a
cisco ios_xe 16.9.2s
cisco ios_xe 16.9.3
cisco ios_xe 16.9.3a
cisco ios_xe 16.9.3h
cisco ios_xe 16.9.3s
cisco ios_xe 16.9.4
cisco ios_xe 16.9.4c
cisco ios_xe 16.9.5
cisco ios_xe 16.9.5f
cisco ios_xe 16.9.6
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 16.11.1c
cisco ios_xe 16.11.1s
cisco ios_xe 16.11.2
cisco ios_xe 17.2.1v
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to inject arbitrary commands that can be executed as the root user. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to the web UI of an affected device with arbitrary commands injected into a portion of the request. A successful exploit could allow the attacker to execute arbitrary commands as the root user."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la Interfaz de Usuario Web del Software Cisco IOS XE, podr\u00eda permitir a un atacante remoto autenticado inyectar comandos arbitrarios que se pueden ejecutar como usuario root.\u0026#xa0;Esta vulnerabilidad es debido a una comprobaci\u00f3n insuficiente de la entrada.\u0026#xa0;Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de una petici\u00f3n dise\u00f1ada a la Interfaz de Usuario Web de un dispositivo afectado con comandos arbitrarios inyectados en una parte de la petici\u00f3n.\u0026#xa0;Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante ejecutar comandos arbitrarios como usuario root"
    }
  ],
  "id": "CVE-2021-1435",
  "lastModified": "2024-11-21T05:44:21.453",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
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          "accessVector": "NETWORK",
          "authentication": "SINGLE",
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          "baseScore": 9.0,
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        "type": "Secondary"
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          "attackVector": "NETWORK",
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          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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        "source": "nvd@nist.gov",
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  "published": "2021-03-24T20:15:14.760",
  "references": [
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      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webcmdinjsh-UFJxTgZD"
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    {
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      "tags": [
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      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webcmdinjsh-UFJxTgZD"
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  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Secondary"
    }
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}


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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.



Detection rules are retrieved from Rulezet.