| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| nextcloud server | ≥ 21.0.0, < 21.0.5≥ 22.0.0, < 22.2.0< 20.0.13 | 21.0.522.2.020.0.13 |
Nextcloud is an open-source, self-hosted productivity platform. Prior to versions 20.0.13, 21.0.5, and 22.2.0, Nextcloud Server did not implement a database backend for rate-limiting purposes. Any component of Nextcloud using rate-limits (as as `AnonRateThrottle` or `UserRateThrottle`) was thus not rate limited on instances not having a memory cache backend configured. In the case of a default installation, this would notably include the rate-limits on the two factor codes. It is recommended that the Nextcloud Server be upgraded to 20.0.13, 21.0.5, or 22.2.0. As a workaround, enable a memory cache backend in `config.php`.
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