CVE-2023-22471 json
Nextcloud Deck vulnerable to authorization bypass
published 2023-01-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-26625
- cvss
- 3.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Broken access control allows a user to delete attachments of other users. There are currently no known workarounds. It is recommended that the Nextcloud Deck app is upgraded to 1.6.5 or 1.7.3 or 1.8.2.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L |
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
Affected products
- nextcloud security-advisories
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
github.com
/nextcloud/deck/pull/4173
patch, third-party-advisory
-
github.com
/nextcloud/security-advisories/security/advisories/GHSA-2vw5-pfg6-3wm6
third-party-advisory
Sources
- CVE List CVE-2023-22471
- NVD CVE-2023-22471
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