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)
EPSS: 0.005 (41.4th percentile) — read the EPSS interpretation.
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.
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
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
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.