CVE-2021-32678

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.0.11, and 21.0.3, ratelimits are not applied to OCS API responses. This affects any OCS API controller (`OCSController`) using the `@BruteForceProtection` annotation. Risk depends on the installed applications on the Nextcloud Server, but could range from bypassing authentication ratelimits or spamming other Nextcloud users. The vulnerability is patched in versions 19.0.13, 20.0.11, and 21.0.3. No workarounds aside from upgrading are known to exist.

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.0.11, and 21.0.3, ratelimits are not applied to OCS API responses. This affects any OCS API controller (`OCSController`) using the `@BruteForceProtection` annotation. Risk depends on the installed applications on the Nextcloud Server, but could range from bypassing authentication ratelimits or spamming other Nextcloud users. The vulnerability is patched in versions 19.0.13, 20.0.11, and 21.0.3. No workarounds aside from upgrading are known to exist.

Nextcloud Server es un paquete de Nextcloud que maneja el almacenamiento de datos. En versiones anteriores a 19.0.13, 20.0.11 y 21.0.3, los límites de velocidad no se aplican a las respuestas de la API OCS. Esto afecta a cualquier controlador de la API OCS ("OCSController") usando la anotación "@BruteForceProtection". El riesgo depende de las aplicaciones instaladas en el Servidor Nextcloud, pero podría ir desde omitir los límites de velocidad de autenticación hasta enviar spam a otros usuarios de Nextcloud. La vulnerabilidad está parcheada en versiones 19.0.13, 20.0.11 y 21.0.3. No se conocen soluciones aparte de la actualización