FKIE_CVE-2021-1436

Vulnerability from fkie_nvd - Published: 2021-03-24 20:15 - Updated: 2024-11-21 05:44
Severity ?
4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Summary
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system.
References
psirt@cisco.comhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwpathtrav-nsrue2MtVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwpathtrav-nsrue2MtVendor Advisory
Impacted products
Vendor Product Version
cisco ios_xe 3.15.1xbs
cisco ios_xe 3.15.2xbs
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 16.12.1za
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 16.12.4
cisco ios_xe 16.12.4a
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
cisco ios_xe 17.2.2
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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 conduct path traversal attacks and obtain read access to sensitive files on an affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la CLI del Software Cisco IOS XE SD-WAN, podr\u00eda permitir a un atacante local autenticado llevar a cabo ataques de salto de ruta y obtener acceso de lectura a archivos confidenciales en un sistema afectado.\u0026#xa0;Esta vulnerabilidad es debido a una comprobaci\u00f3n insuficiente de la entrada suministrada por el usuario.\u0026#xa0;Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de una petici\u00f3n dise\u00f1ada a un sistema afectado.\u0026#xa0;Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante visualizar archivos arbitrarios en el sistema afectado"
    }
  ],
  "id": "CVE-2021-1436",
  "lastModified": "2024-11-21T05:44:21.590",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
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          "accessVector": "LOCAL",
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          "baseScore": 4.7,
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          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:N/A:N",
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          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
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  "published": "2021-03-24T20:15:14.820",
  "references": [
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      "source": "psirt@cisco.com",
      "tags": [
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      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwpathtrav-nsrue2Mt"
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  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "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.