fkie_cve-2021-34725
Vulnerability from fkie_nvd
Published
2021-09-23 03:15
Modified
2024-11-21 06:11
Summary
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root-level privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to execute commands with root-level privileges.
Impacted products
Vendor Product Version
cisco ios_xe_sd-wan *
cisco 1000_integrated_services_router -
cisco 1100-4g\/6g_integrated_services_router -
cisco 1100-4p_integrated_services_router -
cisco 1100-8p_integrated_services_router -
cisco 1100_integrated_services_router -
cisco 1101-4p_integrated_services_router -
cisco 1101_integrated_services_router -
cisco 1109-2p_integrated_services_router -
cisco 1109-4p_integrated_services_router -
cisco 1109_integrated_services_router -
cisco 1111x-8p_integrated_services_router -
cisco 1111x_integrated_services_router -
cisco 111x_integrated_services_router -
cisco 1120_integrated_services_router -
cisco 1160_integrated_services_router -
cisco 4000_integrated_services_router -
cisco 422_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 4451_integrated_services_router -
cisco 4461_integrated_services_router -
cisco asr_1000 -
cisco asr_1000-esp100 -
cisco asr_1000-x -
cisco asr_1000_series -
cisco asr_1000_series_route_processor_\(rp2\) -
cisco asr_1000_series_route_processor_\(rp3\) -
cisco asr_1001 -
cisco asr_1001-hx -
cisco asr_1001-hx_r -
cisco asr_1001-x -
cisco asr_1001-x_r -
cisco asr_1002 -
cisco asr_1002-hx -
cisco asr_1002-hx_r -
cisco asr_1002-x -
cisco asr_1002-x_r -
cisco asr_1004 -
cisco asr_1006 -
cisco asr_1006-x -
cisco asr_1009-x -
cisco asr_1013 -
cisco asr_1023 -
cisco csr_1000v -



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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root-level privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to execute commands with root-level privileges."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la CLI de Cisco IOS XE SD-WAN Software podr\u00eda permitir a un atacante local autenticado inyectar comandos arbitrarios para ejecutarlos con privilegios de nivel de root en el sistema operativo subyacente. Esta vulnerabilidad es debido a una insuficiente comprobaci\u00f3n de entrada en determinados comandos de la CLI. Un atacante podr\u00eda explotar esta vulnerabilidad al autenticarse en un dispositivo afectado y enviando entradas dise\u00f1adas a la CLI. El atacante debe estar autenticado como usuario administrativo para ejecutar los comandos afectados. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante ejecutar comandos con privilegios de nivel de root"
    }
  ],
  "id": "CVE-2021-34725",
  "lastModified": "2024-11-21T06:11:03.450",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "psirt@cisco.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-09-23T03:15:19.093",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-maapi-privesc-KSUg7QSS"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-maapi-privesc-KSUg7QSS"
    }
  ],
  "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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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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