medium5.3
CVE-2021-41239
Nextcloud server is a self hosted system designed to provide cloud style services.
Impact
Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It is recommended that the Nextcloud Server is upgraded to 20.0.14, 21.0.6 or 22.2.1. There are no known workarounds.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nextcloud | Nextcloud Server | before 20.0.14 from 21.0.0 before 21.0.6 Version 22.2.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g722-cm3h-8wrx
- https://github.com/nextcloud/server/issues/27122
- https://github.com/nextcloud/server/pull/29260
- https://security.gentoo.org/glsa/202208-17
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g722-cm3h-8wrx
- https://github.com/nextcloud/server/issues/27122
- https://github.com/nextcloud/server/pull/29260
- https://security.gentoo.org/glsa/202208-17