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CVE-2023-39962 – Users can delete external storage mount points
https://notcve.org/view.php?id=CVE-2023-39962
10 Aug 2023 — Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 19.0.0 and prior to versions 19.0.13.10, 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a malicious user could delete any personal or global external storage, making them inaccessible for everyone else as well. Nextcloud server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 19.0.13.10, 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.9, 24.0.1... • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xwxx-2752-w3xm • CWE-284: Improper Access Control •
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CVE-2023-39958 – Missing brute force protection on password reset token OAuth2 API controller
https://notcve.org/view.php?id=CVE-2023-39958
10 Aug 2023 — Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, missing protection allows an attacker to brute force the client secrets of configured OAuth2 clients. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are av... • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vv27-g2hq-v48h • CWE-307: Improper Restriction of Excessive Authentication Attempts •
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CVE-2023-39952 – Advanced permissions not respected when copying entire group folders
https://notcve.org/view.php?id=CVE-2023-39952
10 Aug 2023 — Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3, and 27.0.1, a user can access files inside a subfolder of a groupfolder accessible to them, even if advanced permissions would block access to the subfolder. Nextcloud Server versions 25.0.8, 26.0.3, and 27.0.1 and Nextcloud Enterprise Server versions 22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3, and 27.0.1 contain a patch... • https://github.com/nextcloud/groupfolders/issues/1906 • CWE-284: Improper Access Control •
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CVE-2023-35928 – Nextcloud user scoped external storage can be used to gather credentials of other users
https://notcve.org/view.php?id=CVE-2023-35928
23 Jun 2023 — Nextcloud Server is a space for data storage on Nextcloud, a self-hosted productivity playform. In NextCloud Server versions 25.0.0 until 25.0.7 and 26.0.0 until 26.0.2 and Nextcloud Enterprise Server versions 19.0.0 until 19.0.13.9, 20.0.0 until 20.0.14.14, 21.0.0 until 21.0.9.12, 22.0.0 until 22.2.10.12, 23.0.0 until 23.0.12.7, 24.0.0 until 24.0.12.2, 25.0.0 until 25.0.7, and 26.0.0 until 26.0.2, a user could use this functionality to get access to the login credentials of another user and take over their... • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-637g-xp2c-qh5h • CWE-274: Improper Handling of Insufficient Privileges •
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CVE-2023-35927 – Nextcloud system addressbooks can be modified by malicious trusted server
https://notcve.org/view.php?id=CVE-2023-35927
23 Jun 2023 — NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform. In NextCloud Server versions 25.0.0 until 25.0.7 and 26.0.0 until 26.0.2 and Nextcloud Enterprise Server versions 21.0.0 until 21.0.9.12, 22.0.0 until 22.2.10.12, 23.0.0 until 23.0.12.7, 24.0.0 until 24.0.12.2, 25.0.0 until 25.0.7, and 26.0.0 until 26.0.2, when two server are registered as trusted servers for each other and successfully exchanged the share secrets, the malicious server c... • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h7f7-535f-7q87 • CWE-284: Improper Access Control •
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CVE-2023-35172 – Nextcloud Server password reset endpoint is not brute force protected
https://notcve.org/view.php?id=CVE-2023-35172
23 Jun 2023 — NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform. In NextCloud Server versions 25.0.0 until 25.0.7 and 26.0.0 until 26.0.2 and Nextcloud Enterprise Server versions 21.0.0 until 21.0.9.12, 22.0.0 until 22.2.10.12, 23.0.0 until 23.0.12.7, 24.0.0 until 24.0.12.2, 25.0.0 until 25.0.7, and 26.0.0 until 26.0.2, an attacker can bruteforce the password reset links. Nextcloud Server n 25.0.7 and 26.0.2 and Nextcloud Enterprise Server 21.0.9.12, ... • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mjf5-p765-qmr6 • CWE-307: Improper Restriction of Excessive Authentication Attempts •
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CVE-2023-32320 – Nextcloud Server's brute force protection allows someone to send more requests than intended
https://notcve.org/view.php?id=CVE-2023-32320
22 Jun 2023 — Nextcloud Server is a data storage system for Nextcloud, a self-hosted productivity platform. When multiple requests are sent in parallel, all of them were executed even if the amount of faulty requests succeeded the limit by the time the response was sent to the client. This allowed someone to send as many requests the server could handle in parallel to bruteforce protected details instead of the configured limit, default 8. Nextcloud Server versions 25.0.7 and 26.0.2 and Nextcloud Enterprise Server versio... • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qphh-6xh7-vffg • CWE-307: Improper Restriction of Excessive Authentication Attempts •
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CVE-2023-28847 – Nextcloud Server missing brute force protection for passwords of password protected share links
https://notcve.org/view.php?id=CVE-2023-28847
25 Apr 2023 — Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. In Nextcloud Server 24.0.0 prior to 24.0.11 and 25.0.0 prior to 25.0.5; as well as Nextcloud Server Enterprise 23.0.0 prior to 23.0.12.6, 24.0.0 prior to 24.0.11, and 25.0.0 prior to 25.0.5; an attacker is not restricted in verifying passwords of share links so they can just start brute forcing the password. Nextcloud Server 24.0.11 and 25.0.5 and Nextcloud Enterprise Server 23.0.12.6, 24.0.11, and 25.0.5 contai... • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-r5wf-xj97-3w7w • CWE-307: Improper Restriction of Excessive Authentication Attempts •
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CVE-2023-30539 – Users can set up workflows using restricted and invisible system tags in Nextcloud
https://notcve.org/view.php?id=CVE-2023-30539
17 Apr 2023 — Nextcloud is a personal home server system. Depending on the set up tags and other workflows this issue can be used to limit access of others or being able to grant them access when there are system tag based files access control or files retention rules. It is recommended that the Nextcloud Server is upgraded to 24.0.11 or 25.0.5, the Nextcloud Enterprise Server to 21.0.9.11, 22.2.10.11, 23.0.12.6, 24.0.11 or 25.0.5, and the Nextcloud Files automated tagging app to 1.11.1, 1.12.1, 1.13.1, 1.14.2, 1.15.3 or... • https://github.com/nextcloud/files_automatedtagging/pull/705 • CWE-284: Improper Access Control •
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CVE-2023-28834 – Full path of data directory exposed to Nextcloud server users
https://notcve.org/view.php?id=CVE-2023-28834
03 Apr 2023 — Nextcloud Server is an open source personal cloud server. Nextcloud Server 24.0.0 until 24.0.6 and 25.0.0 until 25.0.4, as well as Nextcloud Enterprise Server 23.0.0 until 23.0.11, 24.0.0 until 24.0.6, and 25.0.0 until 25.0.4, have an information disclosure vulnerability. A user was able to get the full data directory path of the Nextcloud server from an API endpoint. By itself this information is not problematic as it can also be guessed for most common setups, but it could speed up other unknown attacks i... • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-5w64-6c42-rgcv • CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer •