Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2024-52514

Severity CVSS v4.0:
Pending analysis
Type:
CWE-284 Improper Access Control
Publication date:
15/11/2024
Last modified:
01/10/2025

Description

Nextcloud Server is a self hosted personal cloud system. After a user received a share with some files inside being blocked by the files access control, the user would still be able to copy the intermediate folder inside Nextcloud allowing them to afterwards potentially access the blocked files depending on the user access control rules. It is recommended that the Nextcloud Server is upgraded to 27.1.9, 28.0.5 or 29.0.0 and Nextcloud Enterprise Server is upgraded to 21.0.9.18, 22.2.10.23, 23.0.12.18, 24.0.12.14, 25.0.13.9, 26.0.13.3, 27.1.9, 28.0.5 or 29.0.0.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.10 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x
4.10
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 21.0.0 (including) 21.0.9.18 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 22.0.0 (including) 22.2.10.23 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 23.0.0 (including) 23.0.12.18 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 24.0.0 (including) 24.0.12.14 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 25.0.0 (including) 25.0.13.9 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 26.0.0 (including) 26.0.13.3 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* 27.0.0 (including) 27.1.9 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 27.0.0 (including) 27.1.9 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* 28.0.0 (including) 28.0.5 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* 28.0.0 (including) 28.0.5 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools