CVE-2023-30539 - CVE House
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Status published Medium CVE-2023-30539

Users can set up workflows using restricted and invisible system tags in Nextcloud

Vulnerability Description

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 1.16.1. Users unable to upgrade should disable all workflow related apps. Users are advised to upgrade.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

security-advisories
Vulnerable Versions:
Nextcloud Server: < 24.0.11, Nextcloud Server: >= 25.0.0, < 25.0.5, Nextcloud Files automated tagging: >= 1.11.0, < 1.11.1, Nextcloud Files automated tagging: >= 1.12.0, < 1.12.1, Nextcloud Files automated tagging: >= 1.13.0, < 1.13.1, Nextcloud Files automated tagging: >= 1.14.0, < 1.14.2, Nextcloud Files automated tagging: >= 1.15.0, < 1.15.3, Nextcloud Files automated tagging: >= 1.16.0, < 1.16.1

Timeline

Official Publish: April 17th, 2023
Last Modified: February 5th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Weaknesses (CWE)