NextCloud security vulnerabilities

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud Server versions prior to 19.0.13, 20.0.11, and 21.0.3, which stems from the audit logging feature failing to log...

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 security vulnerabilities

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud Server versions prior to 19.0.13, 20.0.11, and 21.0.3, which stems from the fact that rate limiting in Nextcloud...

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...

NextCloud security vulnerabilities

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud Server versions prior to 19.0.13, 20.011, and 21.0.3, which stems from the fact that the webauthn token is not...

NextCloud Trust Management Vulnerability

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. The Nextcloud Android Client prior to version 3.16.1 is vulnerable to a trust management issue that stems from the Nextcloud Android Client skipping a step th...

NextCloud security vulnerabilities

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability in Nextcloud Server in versions prior to 19.0.13, 20.011, and 21.0.3 can be exploited by an attacker to enumerate potentially valid...

NextCloud security vulnerabilities

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud Server versions prior to 19.0.13, 20.011, and 21.0.3, which can be exploited by an attacker to enumerate...

PT-2021-19873 · Nextcloud · Nextcloud Mail

Name of the Vulnerable Software and Affected Versions: Nextcloud Mail versions prior to 1.9.6 Description: The Nextcloud Mail application has an issue where the privacy filter fails to filter images with a background-image CSS attribute, potentially leaking the read state. However, images are sti...

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-2021-19851 · 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-2021-19852 · 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 ...

PT-2021-19857 · 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 and supports application-specific tokens for...

PT-2021-19869 · 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 "shareinfo" endpoint, which may have allowed an...

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-2021-19886 · 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-2021-19894 · Nextcloud +2 · Nextcloud Server +3

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 Text application shipped with Nextcloud Server returned verbatim exception messages to...

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...

NextCloud input validation error vulnerability

An input validation error vulnerability exists in Nextcloud Server, which stems from the fact that DownloadResponse does not do security checks on uploaded file names, and could be exploited to trick users into downloading malicious files with normal file name...