Auth bypass in Nextcloud Deck
CVE-2021-37631
Deck is an open source kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. In affected versions the Deck application didn't properly check membership of users in a Circle…
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.012 (65.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Nextcloud Deck
- Nextcloud Security-advisories — versions < 1.2.9, >= 1.3.0, < 1.4.4, >= 1.5.0, < 1.5.1
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)
- security-advisories@github.com (Permissions Required, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Permissions Required, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-37631?
- CVE-2021-37631 is a medium-severity vulnerability in Nextcloud Deck, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2021-09-07.
- How severe is CVE-2021-37631?
- Medium severity. CVSS v3 base score is 6.5 out of 10.