CVE-2021-32688

Nextcloud Server tokens with application-scoped permissions could escalate their own privileges due to a missing permission check. In versions prior to 19.0.13, 20.0.11, and 21.0.3, these tokens could self-elevate and gain filesystem access. The issue is addressed in the patched releases 19.0.13,...

CVE-2021-32688 Application specific tokens can change their own scope

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-2021-32680 Audit log is not properly logging unsetting of share expiration date

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...

CVE-2021-32680

CVE-2021-32680 concerns Nextcloud Server: audit logging failed to log the unsetting of a share expiration date in versions prior to 19.0.13, 20.0.11, and 21.0.3. The issue is addressed in those patched versions (19.0.13, 20.0.11, 21.0.3). The provided documents describe the vulnerability as an au...

CVE-2021-32679

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-2021-32679

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-2021-32678

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-2021-32678

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...

Privilege escalation

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...

Authentication flaw

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 Filenames not escaped by default in controllers using DownloadResponse

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-2021-32679

CVE-2021-32679 : In Nextcloud Server, filenames were not escaped by default in controllers using DownloadResponse prior to versions 19.0.13, 20.0.11, and 21.0.3. A user-supplied filename passed unsanitized could cause a downloaded file to have a benign extension while the content is executable, p...

CVE-2021-32678

Nextcloud Server vulnerability CVE-2021-32678 concerns missing rate limiting on OCS API responses for controllers using BruteForceProtection (OCSController). Affected versions before the patches allow bypassing authentication rate limits or spamming users, with risk depending on installed apps. T...

CVE-2021-32678 Ratelimit not applied on OCS API responses

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...

End-to-end encryption device setup did not verify public key

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Lack of ratelimit on public share link mount endpoint

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File path disclosure of shared files in Nextcloud Text application

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XSS in Nextcloud Text application

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Webauthn tokens not removed after user has been deleted

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Default share permissions not respected for federated reshares

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