Auth bypass in Nextcloud Deck
CVE-2023-22471
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (42.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Nextcloud Deck
- Nextcloud Security-Advisories — versions >= 1.60, < 1.6.5, >= 1.7.0, < 1.7.3, >= 1.8.0, < 1.8.2
Weakness classification (CWE)
References
- github.com/nextcloud/security-advisories/security/advisories/GHSA-2vw5-pfg6-3wm6 (Third Party Advisory)
- github.com/nextcloud/deck/pull/4173 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-22471?
- CVE-2023-22471 is a low-severity vulnerability in Nextcloud Deck, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 3.5/10. Published 2023-01-14.
- How severe is CVE-2023-22471?
- Low severity. CVSS v3 base score is 3.5 out of 10.