Privilege escalation in Nextcloud Server
CVE-2024-52516
Nextcloud Server is a self hosted personal cloud system. When a server is configured to only allow sharing with users that are in ones own groups, after a user was removed from a group, previously shared items were not unshared. It is recommended that the Nextcloud Server is upgraded to 22.2.11 or 23.0.11 or 24.0.6 and Nextcloud Enterprise Server is upgraded to 22.2.11 or 23.0.11 or 24.0.6.
Vulnerability class: Privilege Escalation
EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.0 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N.
Affected products
- Nextcloud Nextcloud_server
- Nextcloud Security-advisories — versions >= 28.0.0, < 28.0.9, >= 29.0.0, < 29.0.5
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-52516?
- CVE-2024-52516 is a low-severity vulnerability in Nextcloud Server, classified under Improper Privilege Management. CVSS score: 3.0/10. Published 2024-11-15.
- How severe is CVE-2024-52516?
- Low severity. CVSS v3 base score is 3.0 out of 10.