CVEvulnerability
CVE-2021-39225
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-10-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:N
- Weaknesses
- CWE-639, CWE-862
Description
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.
Affected configurations
• nextcloud deck (< 1.2.9)
• nextcloud deck (>= 1.3.0 < 1.4.5)
• nextcloud deck (>= 1.5.0 < 1.5.3)
Related
References
- https://github.com/nextcloud/deck/pull/3316 Patch, Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2x96-38qg-3m72 Third Party Advisory
- https://hackerone.com/reports/1331728 Permissions Required, Third Party Advisory
- https://github.com/nextcloud/deck/pull/3316 Patch, Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2x96-38qg-3m72 Third Party Advisory
- https://hackerone.com/reports/1331728 Permissions Required, Third Party Advisory