Resource exhaustion in Nextcloud Enterprise Server
CVE-2022-39330
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server prior to versions 23.0.10 and 24.0.6 and Nextcloud Enterprise Server prior to versions 22.2.10, 23.0.10, and 24.0.6 are vulnerable to a logged-in attacker slowing down the system by generating a lot of database/cpu load. Nextcloud Server versions 23.0.10 and 24.0.6 and Nextcloud Enterprise Server versions 22.2.10, 23.0.10, and 24.0.6 contain patches for this issue. As a workaround, disable the Circles app.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Nextcloud Enterprise Server
- Nextcloud Server
- Nextcloud Security-Advisories — versions >= 23.0.0, < 23.0.9, >= 24.0.0, < 24.0.5, < 22.2.10
Weakness classification (CWE)
References
- github.com/nextcloud/security-advisories/security/advisories/GHSA-wxx7-w5p4-7x4c (Third Party Advisory)
- github.com/nextcloud/circles/pull/1147 (Patch, Third Party Advisory)
- hackerone.com/reports/1688199 (Permissions Required, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-39330?
- CVE-2022-39330 is a medium-severity vulnerability in Nextcloud Enterprise Server, classified under Uncontrolled Resource Consumption. CVSS score: 4.8/10. Published 2022-10-27.
- How severe is CVE-2022-39330?
- Medium severity. CVSS v3 base score is 4.8 out of 10.