Webauthn tokens not removed after user has been deleted

None...

Default share permissions not respected for federated reshares

None...

Lack of ratelimit on public DAV endpoint

None...

Ratelimit not applied on OCS API responses

None...

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...

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 ...

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-2021-32733: 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...

CVE-2021-32726: Incorrect Ownership Assignment

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, webauthn tokens were not deleted after a user has been deleted. If a victim reused an earlier used username, the previous user could gain access to their account. The issue was fix...

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-2021-32703: 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-2021-32688: 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...

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...

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-2021-32741: 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 share link mount endpoint. This may have allowed an attacker to enumerate potentially valid share tokens. The issue was fixed in...

CVE-2021-32680: Insufficient Logging

Nextcloud Server is a Nextcloud package that handles data storage. In versions priot to 19.0.13, 20.0.11, and 21.0.3, Nextcloud Server audit logging functionality wasn't properly logging events for the unsetting of a share expiration date. This event is supposed to be logged. This issue is patche...