Resource exhaustion in Nextcloud Server
CVE-2022-41969
Nextcloud Server is an open source personal cloud server. Prior to versions 23.0.11, 24.0.7, and 25.0.0, there is no password length limit when creating a user as an administrator. An administrator can cause a limited DoS attack against their own server. Versions 23.0.11, 24.0.7, and 25.0.0 contain a fix for the issue. As a workaround, don't create user accounts with long passwords.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.008 (56.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000
Affected products
- Nextcloud Server
- Nextcloud Security-Advisories — versions < 23.0.11, >= 24.0.0, < 24.0.7
Weakness classification (CWE)
References
- github.com/nextcloud/security-advisories/security/advisories/GHSA-4gm7-j7wg-m4fx (Third Party Advisory)
- github.com/nextcloud/server/pull/34500 (Patch, Third Party Advisory)
- hackerone.com/reports/1727424 (Permissions Required, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-41969?
- CVE-2022-41969 is a low-severity vulnerability in Nextcloud Server, classified under Uncontrolled Resource Consumption. CVSS score: 2.4/10. Published 2022-12-01.
- How severe is CVE-2022-41969?
- Low severity. CVSS v3 base score is 2.4 out of 10.