Security advisory

{
  "id": "3d4801c2e982537f58fee1d36350de3a413a6bef9f8117994ec3dcc907e61242",
  "url": "https://osv.dev/vulnerability/CVE-2021-23394",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-23394",
    "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.",
    "evidence": "osv:CVE-2021-23394",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-23394",
      "aliases": [
        "CVE-2021-23394",
        "GHSA-qm58-cvvm-c5qr",
        "SNYK-PHP-STUDIO42ELFINDER-1290554"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/studio-42/elfinder",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3802892cf32e999f08143107c5686e84ce837164"
                },
                {
                  "fixed": "75ea92decc16a5daf7f618f85dc621d1b534b5e1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:std42:elfinder:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.1.58"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "75ea92decc16a5daf7f618f85dc621d1b534b5e1"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.1.57",
            "2.1.56",
            "2.1.55",
            "2.1.54",
            "2.1.53",
            "2.1.52",
            "2.1.51",
            "2.1.50",
            "2.1.49",
            "2.1.48",
            "2.1.47",
            "2.1.46",
            "2.1.45",
            "2.1.44",
            "2.1.43",
            "2.1.42",
            "2.1.41",
            "2.1.40",
            "2.1.39",
            "2.1.38",
            "2.1.37",
            "2.1.36",
            "2.1.35",
            "2.1.34",
            "2.1.33",
            "2.1.32",
            "2.1.31",
            "2.1.30",
            "2.1.29",
            "2.1.28",
            "2.1.27",
            "2.1.26",
            "2.1.25",
            "2.1.24",
            "2.1.23",
            "2.1.22",
            "2.1.21",
            "2.1.20",
            "2.1.19",
            "2.1.18",
            "2.1.17",
            "2.1.16",
            "2.1.15",
            "2.1.14",
            "2.1.13",
            "2.1.12",
            "2.1.11",
            "2.1.10",
            "2.1.9",
            "2.1.8",
            "2.1.7",
            "2.1.6",
            "2.1.5",
            "2.1.4",
            "2.1.3",
            "2.1.2",
            "2.1.1",
            "2.1.0",
            "2.0-beta",
            "1.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23394.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:32.048672443Z",
      "provider": "osv",
      "references": [
        "https://github.com/Studio-42/elFinder",
        "https://snyk.io/vuln/SNYK-PHP-STUDIO42ELFINDER-1290554",
        "https://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1",
        "https://github.com/Studio-42/elFinder/issues/3295",
        "https://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-23394",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385498,
  "published_at": "2021-06-13T11:15:14.29+00:00"
}