fkie_cve-2021-27249
Vulnerability from fkie_nvd
Published
2021-04-14 16:15
Modified
2024-11-21 05:57
Severity ?
8.8 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-11369.
References
zdi-disclosures@trendmicro.comhttps://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201Patch, Vendor Advisory
zdi-disclosures@trendmicro.comhttps://www.zerodayinitiative.com/advisories/ZDI-21-204/Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-21-204/Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
dlink dap-2020_firmware 1.01
dlink dap-2020 -


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dlink:dap-2020_firmware:1.01:rc001:*:*:*:*:*:*",
              "matchCriteriaId": "B0962F7C-1425-478D-9E83-D6560578DFA6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:h:dlink:dap-2020:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "F9FF47C9-C3D0-4F84-92A7-FCAA390F4AD0",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-11369."
    },
    {
      "lang": "es",
      "value": "Esta vulnerabilidad permite a atacantes adyacentes a la red ejecutar c\u00f3digo arbitrario en las instalaciones afectadas de los puntos de acceso Wi-Fi D-Link DAP-2020 versi\u00f3n v1.01rc001.\u0026#xa0;No es requerida una autenticaci\u00f3n para explotar esta vulnerabilidad.\u0026#xa0;El fallo espec\u00edfico se presenta dentro del procesamiento de scripts CGI.\u0026#xa0;El problema resulta de una falta de comprobaci\u00f3n apropiada de una cadena suministrada por el usuario antes de usarla para ejecutar una llamada al sistema.\u0026#xa0;Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto de root.\u0026#xa0;Era ZDI-CAN-11369"
    }
  ],
  "id": "CVE-2021-27249",
  "lastModified": "2024-11-21T05:57:41.050",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 8.3,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
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        "impactScore": 5.9,
        "source": "zdi-disclosures@trendmicro.com",
        "type": "Secondary"
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    ],
    "cvssMetricV31": [
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          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
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          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2021-04-14T16:15:13.453",
  "references": [
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      "source": "zdi-disclosures@trendmicro.com",
      "tags": [
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        "Vendor Advisory"
      ],
      "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201"
    },
    {
      "source": "zdi-disclosures@trendmicro.com",
      "tags": [
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        "VDB Entry"
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      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-204/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    {
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      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-204/"
    }
  ],
  "sourceIdentifier": "zdi-disclosures@trendmicro.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "zdi-disclosures@trendmicro.com",
      "type": "Primary"
    }
  ]
}


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