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.

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

Published 2024-11-15 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.004 (35.0th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Nextcloud Server
Nextcloud Security-Advisories — versions >= 28.0.0, < 28.0.9, >= 29.0.0, < 29.0.5

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

github.com/nextcloud/security-advisories/security/advisories/GHSA-35gc-jc6x-29cm (Vendor Advisory)
github.com/nextcloud/server/pull/47180 (Issue Tracking)
github.com/nextcloud/server/commit/142b6e313ffa9d3b950bcd23cb58850d3ae7cf34 (Patch)

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.