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)
EPSS: 0.016 (73.0th percentile) — read the EPSS interpretation.
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.
Affected products
- Nextcloud 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
- 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 (Exploit, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
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.