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FKIE_CVE-2021-23394

Vulnerability from fkie_nvd - Published: 2021-06-13 11:15 - Updated: 2026-06-17 03:38
Severity
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
The package studio-42/elfinder before 2.1.58 are vulnerable to Remote Code Execution (RCE) via execution of PHP code in a .phar file. NOTE: This only applies if the server parses .phar files as PHP.
References
report@snyk.iohttps://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities/Exploit, Third Party Advisory
report@snyk.iohttps://github.com/Studio-42/elFinderThird Party Advisory
report@snyk.iohttps://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1Patch, Third Party Advisory
report@snyk.iohttps://github.com/Studio-42/elFinder/issues/3295Exploit, Issue Tracking, Patch, Third Party Advisory
report@snyk.iohttps://snyk.io/vuln/SNYK-PHP-STUDIO42ELFINDER-1290554Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/Studio-42/elFinderThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/Studio-42/elFinder/issues/3295Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://snyk.io/vuln/SNYK-PHP-STUDIO42ELFINDER-1290554Third Party Advisory
Impacted products
Vendor Product Version
std42 elfinder *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "studio-42/elfinder",
          "vendor": "n/a",
          "versions": [
            {
              "lessThan": "2.1.58",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "report@snyk.io"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:std42:elfinder:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AEA17C8B-00A9-4E58-A2F3-1D276D1C13B7",
              "versionEndExcluding": "2.1.58",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The package studio-42/elfinder before 2.1.58 are vulnerable to Remote Code Execution (RCE) via execution of PHP code in a .phar file. NOTE: This only applies if the server parses .phar files as PHP."
    },
    {
      "lang": "es",
      "value": "El paquete studio-42/elfinder versiones anteriores a 2.1.58, es vulnerable a una ejecuci\u00f3n de c\u00f3digo remota (RCE) mediante la ejecuci\u00f3n de c\u00f3digo PHP en un archivo .phar.\u0026#xa0;NOTA: Esto solo se aplica si el servidor analiza los archivos .phar como PHP"
    }
  ],
  "id": "CVE-2021-23394",
  "lastModified": "2026-06-17T03:38:40.937",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "report@snyk.io",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-13T11:15:14.290",
  "references": [
    {
      "source": "report@snyk.io",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities/"
    },
    {
      "source": "report@snyk.io",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/Studio-42/elFinder"
    },
    {
      "source": "report@snyk.io",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1"
    },
    {
      "source": "report@snyk.io",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/Studio-42/elFinder/issues/3295"
    },
    {
      "source": "report@snyk.io",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://snyk.io/vuln/SNYK-PHP-STUDIO42ELFINDER-1290554"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/Studio-42/elFinder"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/Studio-42/elFinder/issues/3295"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://snyk.io/vuln/SNYK-PHP-STUDIO42ELFINDER-1290554"
    }
  ],
  "sourceIdentifier": "report@snyk.io",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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