{"schemaVersion":3,"id":"CVE-2021-32728","aliases":["UBUNTU-CVE-2021-32728","DEBIAN-CVE-2021-32728"],"status":"published","duplicateOf":null,"title":null,"description":"The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with a computer. Clients using the Nextcloud end-to-end encryption feature download the public and private key via an API endpoint. In versions prior to 3.3.0, the Nextcloud Desktop client fails to check if a private key belongs to previously downloaded public certificate. If the Nextcloud instance serves a malicious public key, the data would be encrypted for this key and thus could be accessible to a malicious actor. This issue is fixed in Nextcloud Desktop Client version 3.3.0. 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