CVE-2023-48239

CVSS 3.1 Score 7.1 of 10 (high)

Details

Published Nov 21, 2023
Updated: Nov 29, 2023
CWE ID 284

Summary

CVE-2023-48239 is a vulnerability affecting the Nextcloud Server and Enterprise Server, versions 25.0.0 to 27.1.3 for Nextcloud, and 20.0.0 to 25.0.13 for Nextcloud Enterprise. This issue allows a malicious user to update and make personal or global external storage inaccessible to all other users. Upgrades to versions 20.0.14.16, 21.0.9.13, 22.2.10.15, 23.0.12.12, 24.0.12.8, 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Server and Enterprise Server contain the patch for this issue. As a temporary solution, disabling the app 'files_external' renders the external storage inaccessible but keeps the configurations intact until the patched version is deployed.

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Affected Products

  • Nextcloud Server

Affected Vendors

  • Nextcloud GmbH

Advisories, Assessments, and Mitigations

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