FKIE_CVE-2021-1443

Vulnerability from fkie_nvd - Published: 2021-03-24 20:15 - Updated: 2024-11-21 05:44
Severity ?
5.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
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 execute arbitrary code with root privileges on the underlying operating system of an affected device. The vulnerability exists because the affected software improperly sanitizes values that are parsed from a specific configuration file. An attacker could exploit this vulnerability by tampering with a specific configuration file and then sending an API call. A successful exploit could allow the attacker to inject arbitrary code that would be executed on the underlying operating system of the affected device. To exploit this vulnerability, the attacker would need to have a privileged set of credentials to the device.
References
psirt@cisco.comhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-os-cmd-inj-Ef6TV5e9Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-os-cmd-inj-Ef6TV5e9Vendor 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 16.10.1
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 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 16.12.1z
cisco ios_xe 16.12.1z1
cisco ios_xe 16.12.1za
cisco ios_xe 16.12.2
cisco ios_xe 16.12.2a
cisco ios_xe 16.12.2s
cisco ios_xe 16.12.2t
cisco ios_xe 16.12.3
cisco ios_xe 16.12.3a
cisco ios_xe 16.12.3s
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 17.1.2
cisco ios_xe 17.2.1
cisco ios_xe 17.2.1a
cisco ios_xe 17.2.1r
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 execute arbitrary code with root privileges on the underlying operating system of an affected device. The vulnerability exists because the affected software improperly sanitizes values that are parsed from a specific configuration file. An attacker could exploit this vulnerability by tampering with a specific configuration file and then sending an API call. A successful exploit could allow the attacker to inject arbitrary code that would be executed on the underlying operating system of the affected device. To exploit this vulnerability, the attacker would need to have a privileged set of credentials to the device."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la Interfaz de Usuario Web del Software Cisco IOS XE, podr\u00eda permitir a un atacante remoto autenticado ejecutar c\u00f3digo arbitrario con privilegios root en el sistema operativo subyacente de un dispositivo afectado.\u0026#xa0;La vulnerabilidad se presenta porque el software afectado sanea incorrectamente los valores que se analizan de un archivo de configuraci\u00f3n espec\u00edfico.\u0026#xa0;Un atacante podr\u00eda explotar esta vulnerabilidad alterando un archivo de configuraci\u00f3n espec\u00edfico y luego mediante el env\u00edo de una llamada a la API.\u0026#xa0;Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante inyectar c\u00f3digo arbitrario que se ejecutar\u00eda en el sistema operativo subyacente del dispositivo afectado.\u0026#xa0;Para explotar esta vulnerabilidad, el atacante deber\u00eda tener un conjunto privilegiado de credenciales para el dispositivo"
    }
  ],
  "id": "CVE-2021-1443",
  "lastModified": "2024-11-21T05:44:22.597",
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        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
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          "vectorString": "AV:N/AC:M/Au:S/C:C/I:C/A:C",
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        "obtainAllPrivilege": false,
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        "source": "nvd@nist.gov",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-03-24T20:15:15.227",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-os-cmd-inj-Ef6TV5e9"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-os-cmd-inj-Ef6TV5e9"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Tags
Taxonomy of the tags.




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.