Vulnerabilities > Nextcloud > Nextcloud Server > High
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2020-02-04 | CVE-2019-15613 | Insufficient Verification of Data Authenticity vulnerability in multiple products A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes. | 8.0 |
| 2018-08-12 | CVE-2018-3775 | Improper Authentication vulnerability in Nextcloud Server Improper Authentication in Nextcloud Server prior to version 12.0.3 would allow an attacker that obtained user credentials to bypass the 2 Factor Authentication. | 8.8 |
| 2018-07-05 | CVE-2018-3761 | Improper Authentication vulnerability in Nextcloud Server Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. | 8.1 |