8.1
CWE
287
Advisory Published
Updated

CVE-2018-3761

First published: Thu Jul 05 2018(Updated: )

Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised.

Credit: support@hackerone.com

Affected SoftwareAffected VersionHow to fix
Nextcloud Nextcloud Server<12.0.8
Nextcloud Nextcloud Server>=13.0.0<13.0.3

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