Vulnerabilities > CVE-2021-41239 - Unspecified vulnerability in Nextcloud Server
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
LOW Integrity impact
NONE Availability impact
NONE Summary
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.
Vulnerable Configurations
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g722-cm3h-8wrx
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g722-cm3h-8wrx
- https://github.com/nextcloud/server/issues/27122
- https://github.com/nextcloud/server/issues/27122
- https://github.com/nextcloud/server/pull/29260
- https://github.com/nextcloud/server/pull/29260
- https://security.gentoo.org/glsa/202208-17
- https://security.gentoo.org/glsa/202208-17