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)
EPSS: 0.008 (53.5th percentile) — read the EPSS interpretation.
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.
Affected products
- Nextcloud Nextcloud_enterprise_server
- Nextcloud 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
- security-advisories@github.com (Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory)
- security-advisories@github.com (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.