Security advisory

{
  "id": "c2fb0a591508510318a8bb3495da0274c62cdc10e82221c515700158a249ac16",
  "url": "https://osv.dev/vulnerability/CVE-2020-12851",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-12851",
    "summary": "Pydio Cells 2.0.4 allows an authenticated user to write or overwrite existing files in another user’s personal and cells folders (repositories) by uploading a custom generated ZIP file and leveraging the file extraction feature present in the web application. The extracted files will be placed in the targeted user folders.",
    "evidence": "osv:CVE-2020-12851",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-12851",
      "aliases": [
        "CVE-2020-12851"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pydio/cells",
              "type": "GIT",
              "events": [
                {
                  "introduced": "07dc2557e3a7099e8bb3b6c7b0dcb4ac80d31601"
                },
                {
                  "last_affected": "07dc2557e3a7099e8bb3b6c7b0dcb4ac80d31601"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:pydio:cells:2.0.4:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.0.4"
                      },
                      {
                        "last_affected": "2.0.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.0.4",
            "v2.0.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12851.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:33.159311317Z",
      "provider": "osv",
      "references": [
        "https://www.coresecurity.com/advisories",
        "https://www.coresecurity.com/core-labs/advisories/pydio-cells-204-multiple-vulnerabilities"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-12851",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433189,
  "published_at": "2020-06-04T20:15:11.817+00:00"
}