PT-2021-19886 · Nextcloud +2 · Nextcloud Server +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 19.0.13 Nextcloud Server versions prior to 20.0.11 Nextcloud Server versions prior to 21.0.3 Description: The issue concerns default share permissions not being respected for federated reshares of files and...

PT-2021-19887 · Nextcloud +2 · Nextcloud Server +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 19.0.13 Nextcloud Server versions prior to 20.0.11 Nextcloud Server versions prior to 21.0.3 Description: The issue concerns the handling of webauthn tokens in Nextcloud Server. In affected versions, webauth...

PT-2021-19850 · Nextcloud +2 · Nextcloud Server +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 19.0.13 Nextcloud Server versions prior to 20.0.11 Nextcloud Server versions prior to 21.0.3 Description: The issue affects Nextcloud Server, a package that handles data storage. In the affected versions,...

PT-2021-19851 · Nextcloud +2 · Nextcloud Server +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 19.0.13 Nextcloud Server versions prior to 20.0.11 Nextcloud Server versions prior to 21.0.3 Description: Nextcloud Server is a package that handles data storage. In affected versions, filenames were not...

PT-2021-19871 · Nextcloud +2 · Nextcloud Server +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 19.0.13 Nextcloud Server versions prior to 20.0.11 Nextcloud Server versions prior to 21.0.3 Description: The issue is related to a lack of ratelimiting on the public DAV endpoint, which may have allowed an...

PT-2021-19852 · Nextcloud +2 · Nextcloud Server +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 19.0.13 Nextcloud Server versions prior to 20.0.11 Nextcloud Server versions prior to 21.0.3 Description: The Nextcloud Server audit logging functionality wasn't properly logging events for the unsetting of ...

CVE-2021-32733: Improper Neutralization of Input During Web Page Generation

Nextcloud Text is a collaborative document editing application that uses Markdown. A cross-site scripting vulnerability is present in versions prior to 19.0.13, 20.0.11, and 21.0.3. The Nextcloud Text application shipped with Nextcloud server used a text/html Content-Type when serving files to...

NextCloud permissions and access control issues

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A permission permission and access control issue vulnerability exists in Nextcloud Server in versions prior to 19.0.13, 20.011, and 21.0.3, which stems from...

CVE-2021-32678: Improper Control of Interaction Frequency

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...

NextCloud information leakage vulnerability

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. An information disclosure vulnerability exists in Nextcloud Server in versions prior to 19.0.13, 20.011, and 21.0.3, which could result in the full path of a...

NextCloud security vulnerabilities

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. An information disclosure vulnerability exists in Nextcloud Mail versions prior to 1.9.6, which stems from a privacy filter failing to filter images with the...

PT-2021-19888

Name of the Vulnerable Software and Affected Versions Nextcloud Android Client versions prior to 3.16.1 Description The issue concerns the Nextcloud Android Client's handling of end-to-end encryption. When using this feature, clients download public and private keys via an API endpoint. In affect...

CVE-2021-32705: Improper Control of Interaction Frequency

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a lack of ratelimiting on the public DAV endpoint. This may have allowed an attacker to enumerate potentially valid share tokens or credentials. The issue was fixed in...

CVE-2021-32703: Improper Control of Interaction Frequency

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a lack of ratelimiting on the shareinfo endpoint. This may have allowed an attacker to enumerate potentially valid share tokens. The issue was fixed in versions 19.0.13,...

CVE-2021-32725: Insecure Inherited Permissions

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, default share permissions were not being respected for federated reshares of files and folders. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known...

CVE-2021-32689: Incorrect Ownership Assignment

Nextcloud Talk is a fully on-premises audio/video and chat communication service. In versions prior to 11.2.2, if a user was able to reuse an earlier used username, they could get access to any chat message sent to the previous user with this username. The issue was patched in versions 11.2.2 and...

CVE-2021-32727: Improper Certificate Validation

Nextcloud Android Client is the Android client for Nextcloud. Clients using the Nextcloud end-to-end encryption feature download the public and private key via an API endpoint. In versions prior to 3.16.1, the Nextcloud Android client skipped a step that involved the client checking if a private...

CVE-2021-32734: Generation of Error Message Containing Sensitive Information

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, the Nextcloud Text application shipped with Nextcloud Server returned verbatim exception messages to the user. This could result in a full path disclosure on shared files. The issu...

CVE-2021-32679: Improper Encoding or Escaping of Output

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.0.11, and 21.0.3, filenames where not escaped by default in controllers using DownloadResponse. When a user-supplied filename was passed unsanitized into a DownloadResponse, this could be used to...

CVE-2021-32688: Improper Authorization

Nextcloud Server is a Nextcloud package that handles data storage. Nextcloud Server supports application specific tokens for authentication purposes. These tokens are supposed to be granted to a specific applications e.g. DAV sync clients, and can also be configured by the user to not have any...