Nextcloud Server's disabled download shares still allow download through preview images

{
  "id": "acfe2d99e7ad01c7487f4df0d4d96c0ef2a412e2ae4834018ffbeca0710fab1c",
  "url": "https://osv.dev/vulnerability/CVE-2022-41970",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Nextcloud Server's disabled download shares still allow download through preview images",
    "summary": "Nextcloud Server is an open source personal cloud server. Prior to versions 24.0.7 and 25.0.1, disabled download shares still allow download through preview images. Images could be downloaded and previews of documents (first page) can be downloaded without being watermarked. Versions 24.0.7 and 25.0.1 contain a fix for this issue. No known workarounds are available.",
    "evidence": "osv:CVE-2022-41970",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2022-41970",
      "aliases": [
        "CVE-2022-41970",
        "GHSA-9mh6-cph8-772c"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nextcloud/server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5f37aacb3194d51503aaa3529ae8f676b32a25d7"
                },
                {
                  "fixed": "7f47000def372cc90705cdb45fe1acb78ebdc27f"
                },
                {
                  "introduced": "20ea9a25353129b56d46951fe7d23939665ab2b2"
                },
                {
                  "last_affected": "20ea9a25353129b56d46951fe7d23939665ab2b2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "24.0.0"
                      },
                      {
                        "fixed": "24.0.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "24.0.0"
                      },
                      {
                        "fixed": "24.0.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:nextcloud:nextcloud_server:25.0.0:*:*:*:-:*:*:*",
                    "range": [
                      {
                        "introduced": "25.0.0"
                      },
                      {
                        "last_affected": "25.0.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:nextcloud:nextcloud_server:25.0.0:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "25.0.0"
                      },
                      {
                        "last_affected": "25.0.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "25.0.0",
            "v24.0.7rc1",
            "v25.0.0",
            "v24.0.6",
            "v24.0.6rc1",
            "v24.0.5",
            "v24.0.5rc1",
            "v24.0.4",
            "v24.0.4rc1",
            "v24.0.3",
            "v24.0.3rc2",
            "v24.0.3rc1",
            "v24.0.2",
            "v24.0.2rc1",
            "v24.0.1",
            "v24.0.1rc1",
            "v24.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-41970.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:44.137253607Z",
      "provider": "osv",
      "references": [
        "https://hackerone.com/reports/1745766",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41970.json",
        "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-9mh6-cph8-772c",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-41970",
        "https://github.com/nextcloud/server/pull/34788"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-284",
          "CWE-863"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41970.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-41970",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 511724,
  "published_at": "2022-12-01T20:54:37.46+00:00"
}