CVE-2021-41239
08.03.2022, 18:15
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.Enginsight
| Vendor | Product | Version |
|---|---|---|
| nextcloud | nextcloud_server | 𝑥 < 20.0.14 |
| nextcloud | nextcloud_server | 21.0.0 ≤ 𝑥 < 21.0.6 |
| nextcloud | nextcloud_server | 22.2.0 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration
- CWE-200 - Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-862 - Missing AuthorizationThe software does not perform an authorization check when an actor attempts to access a resource or perform an action.
References