{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "9.0.55"
              },
              {
                "introduced": "10.0.0"
              },
              {
                "fixed": "10.0.2"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "90411cdb01df67d09c5ab01ad9a16ebeffdd428a"
            },
            {
              "introduced": "43ce8b13c1422ed82f42886b5918159f05b36967"
            },
            {
              "fixed": "6849d7235ef1acd2293382cc170a82c55c6bb3ba"
            }
          ],
          "repo": "https://github.com/nextcloud/server",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "Nextcloud Server before 9.0.55 and 10.0.2 suffers from a creation of folders in read-only folders despite lacking permissions issue. Due to a logical error in the file caching layer an authenticated adversary is able to create empty folders inside a shared folder. Note that this only affects folders and files that the adversary has at least read-only permissions for.",
  "id": "CVE-2017-0884",
  "modified": "2026-07-08T05:37:16.061252546Z",
  "published": "2017-04-05T20:59:00.243Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://hackerone.com/reports/169680"
    },
    {
      "type": "FIX",
      "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2017-002"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}