nvd-json-data-feeds/CVE-2021/CVE-2021-426xx/CVE-2021-42669.json

{
  "id": "CVE-2021-42669",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-11-05T13:15:09.213",
  "lastModified": "2021-11-29T17:13:34.640",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A file upload vulnerability exists in Sourcecodester Engineers Online Portal in PHP via dashboard_teacher.php, which allows changing the avatar through teacher_avatar.php. Once an avatar gets uploaded it is getting uploaded to the /admin/uploads/ directory, and is accessible by all users. By uploading a php webshell containing \"<?php system($_GET[\"cmd\"]); ?>\" the attacker can execute commands on the web server with - /admin/uploads/php-webshell?cmd=id."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de carga de archivos en Sourcecodester Engineers Online Portal en PHP por medio del archivo dashboard_teacher.php, que permite cambiar el avatar mediante el archivo teacher_avatar.php. Una vez que se sube un avatar se sube al directorio /admin/uploads/, y es accesible por todos los usuarios. Subiendo una webshell php que contenga \"\" el atacante puede ejecutar comandos en el servidor web con - /admin/uploads/php-webshell?cmd=id"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 10.0
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:engineers_online_portal_project:engineers_online_portal:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A0BC67C5-58BA-4810-8E5C-2DA4382C59D3"
            }
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        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/TheHackingRabbi/CVE-2021-42669",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html",
      "source": "cve@mitre.org",
      "tags": [
        "Product",
        "Third Party Advisory"
      ]
    }
  ]
}