Resource exhaustion in Nextcloud Server
CVE-2022-24741
Nextcloud server is an open source, self hosted cloud style services platform. In affected versions an attacker can cause a denial of service by uploading specially crafted files which will cause the server to allocate too much memory / CPU. It is recommended that the Nextcloud Server is upgraded to 21.0.8 , 22.2.4 or 23.0.1. Users unable to upgrade should disable preview generation with the `'enable_previews'` config flag.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.016 (74.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Nextcloud Server — versions 23.0.0
- Nextcloud Security-Advisories — versions < 21.0.8, >= 22.0.0, < 22.2.4, >= 23.0.0, < 23.0.1
Weakness classification (CWE)
References
- github.com/nextcloud/security-advisories/security/advisories/GHSA-jf3h-xf4q-mh89 (Third Party Advisory)
- github.com/nextcloud/server/pull/30291 (Patch, Third Party Advisory)
- hackerone.com/reports/1261225 (Exploit, Third Party Advisory)
- security.gentoo.org/glsa/202208-17 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-24741?
- CVE-2022-24741 is a low-severity vulnerability in Nextcloud Server, classified under Uncontrolled Resource Consumption. CVSS score: 3.5/10. Published 2022-03-09.
- How severe is CVE-2022-24741?
- Low severity. CVSS v3 base score is 3.5 out of 10.