Upstream information
Description
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.SUSE information
Overall state of this security issue: Does not affect SUSE products
This issue is currently rated as having moderate severity.
| CVSS detail | National Vulnerability Database | 
|---|---|
| Base Score | 4.3 | 
| Vector | AV:N/AC:M/Au:N/C:N/I:N/A:P | 
| Access Vector | Network | 
| Access Complexity | Medium | 
| Authentication | None | 
| Confidentiality Impact | None | 
| Integrity Impact | None | 
| Availability Impact | Partial | 
| CVSS detail | National Vulnerability Database | SUSE | 
|---|---|---|
| Base Score | 3.5 | 4.3 | 
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L | 
| Attack Vector | Network | Network | 
| Attack Complexity | Low | Low | 
| Privileges Required | Low | Low | 
| User Interaction | Required | None | 
| Scope | Unchanged | Unchanged | 
| Confidentiality Impact | None | None | 
| Integrity Impact | None | None | 
| Availability Impact | Low | Low | 
| CVSSv3 Version | 3.1 | 3.1 | 
SUSE Timeline for this CVE
CVE page created: Thu Mar 10 05:00:15 2022CVE page last modified: Mon Oct 6 19:36:31 2025