Vulnerability Database

314,373

Total vulnerabilities in the database

CVE-2021-39225

Nextcloud is an open-source, self-hosted productivity platform. A missing permission check in Nextcloud Deck before 1.2.9, 1.4.5 and 1.5.3 allows another authenticated users to access Deck cards of another user. It is recommended that the Nextcloud Deck App is upgraded to 1.2.9, 1.4.5 or 1.5.3. There are no known workarounds aside from upgrading.

  • Published: Oct 25, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-39225
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.1
  • AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS v2:

  • Severity: Medium
  • Score: 5.5
  • AV:N/AC:L/Au:S/C:P/I:P/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
nextcloud / deck - 1.2.9
nextcloud / deck 1.5.0 1.5.3
nextcloud / deck 1.3.0 1.4.5