PT-2024-9165 · Nextcloud+2 · Nextcloud Server+3

Nickvergessen · Published 2024-08-12 · Updated 2025-01-24 · CVE-2024-52516

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 22.2.11 Nextcloud Server versions prior to 23.0.11 Nextcloud Server versions prior to 24.0.6 Nextcloud Enterprise Server versions prior to 22.2.11 Nextcloud Enterprise Server versions prior to 23.0.11 Nextcloud Enterprise Server versions prior to 24.0.6

Description: The issue is related to insecure management of privileges in Nextcloud Server and Nextcloud Enterprise Server. This can allow a remote attacker to disclose protected information. When a server is configured to only allow sharing with users that are in one's own groups, after a user was removed from a group, previously shared items were not unshared.

Recommendations: For Nextcloud Server versions prior to 22.2.11, upgrade to version 22.2.11 or later. For Nextcloud Server versions prior to 23.0.11, upgrade to version 23.0.11 or later. For Nextcloud Server versions prior to 24.0.6, upgrade to version 24.0.6 or later. For Nextcloud Enterprise Server versions prior to 22.2.11, upgrade to version 22.2.11 or later. For Nextcloud Enterprise Server versions prior to 23.0.11, upgrade to version 23.0.11 or later. For Nextcloud Enterprise Server versions prior to 24.0.6, upgrade to version 24.0.6 or later.

Exploit

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

ALT-PU-2025-1855

BDU:2024-10852

CVE-2024-52516

GHSA-35GC-JC6X-29CM

Affected Products

Alt Linux

Nextcloud Enterprise Server

Nextcloud Server

Red Os

References · 11

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/52xxx/CVE-2024-52516.json · Exploit
• https://github.com/nextcloud/server/commit/142b6e313ffa9d3b950bcd23cb58850d3ae7cf34 · Patch
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-35gc-jc6x-29cm · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-52516 · Security Note
• https://bdu.fstec.ru/vul/2024-10852 · Security Note
• https://osv.dev/vulnerability/CVE-2024-52516 · Vendor Advisory
• https://github.com/nextcloud/server/pull/47180 · Note
• https://redos.red-soft.ru/support/secure · Note
• https://twitter.com/CVEnew/status/1857476926966776274 · Twitter Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-nextcloud-031224 · Note
• https://t.me/cvedetector/11115 · Telegram Post