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CVSS: 7.5EPSS: 0%CPEs: 4EXPL: 1

Nextcloud is an Open Source private cloud software. Versions 24.0.4 and above, prior to 24.0.7, and 25.0.0 and above, prior to 25.0.1, contain Improper Access Control. Secure view for internal shares can be circumvented if reshare permissions are also given. This issue is patched in versions 24.0.7 and 25.0.1. No workaround is available. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-7w6h-5qgw-4j94 https://github.com/nextcloud/server/pull/34502 https://hackerone.com/reports/1724016 • CWE-284: Improper Access Control •

CVSS: 6.5EPSS: 0%CPEs: 2EXPL: 1

Nextcloud is an Open Source private cloud software. Versions 25.0.0 and above, prior to 25.0.3, are subject to Uncontrolled Resource Consumption. A user can configure a very long password, consuming more resources on password validation than desired. This issue is patched in 25.0.3 No workaround is available. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-53q2-cm29-7j83 https://github.com/nextcloud/server/pull/35965 https://hackerone.com/reports/1820864 • CWE-400: Uncontrolled Resource Consumption •

CVSS: 7.5EPSS: 0%CPEs: 9EXPL: 0

Nextcloud server is a self hosted home cloud product. In affected versions the `OC\Files\Node\Folder::getFullPath()` function was validating and normalizing the string in the wrong order. The function is used in the `newFile()` and `newFolder()` items, which may allow to creation of paths outside of ones own space and overwriting data from other users with crafted paths. This issue has been addressed in versions 25.0.2, 24.0.8, and 23.0.12. Users are advised to upgrade. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-273v-9h7x-p68v https://github.com/nextcloud/server/pull/35074 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •

CVSS: 5.3EPSS: 0%CPEs: 2EXPL: 1

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server prior to 24.0.8 and 23.0.12 and Nextcloud Enterprise server prior to 24.0.8 and 23.0.12 are vulnerable to server-side request forgery (SSRF). Attackers can leverage enclosed alphanumeric payloads to bypass IP filters and gain SSRF, which would allow an attacker to read crucial metadata if the server is hosted on the AWS platform. Nextcloud Server 24.0.8 and 23.0.2 and Nextcloud Enterprise Server 24.0.8 and 23.0.12 contain a patch for this issue. No known workarounds are available. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mqrx-grp7-244m https://github.com/nextcloud/server/pull/34160 https://hackerone.com/reports/1702864 • CWE-918: Server-Side Request Forgery (SSRF) •

CVSS: 5.3EPSS: 0%CPEs: 3EXPL: 0

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server and Nextcloud Enterprise Server prior to versions 25.0.1 24.0.8, and 23.0.12 missing rate limiting on password reset functionality. This could result in service slowdown, storage overflow, or cost impact when using external email services. Users should upgrade to Nextcloud Server 25.0.1, 24.0.8, or 23.0.12 or Nextcloud Enterprise Server 25.0.1, 24.0.8, or 23.0.12 to receive a patch. No known workarounds are available. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-492h-596q-xr2f https://github.com/nextcloud/server/pull/34632 https://hackerone.com/reports/1691195 • CWE-284: Improper Access Control •