Auth bypass in Nextcloud Server
CVE-2024-52518
Nextcloud Server is a self hosted personal cloud system. After an attacker got access to the session of a user or administrator, the attacker would be able to create, change or delete external storages without having to confirm the password. It is recommended that the Nextcloud Server is upgraded to 28.0.12, 29.0.9 or 30.0.2.
Vulnerability class: Broken Authentication
EPSS: 0.005 (41.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Nextcloud Nextcloud_server
- Nextcloud Security-advisories — versions >= 28.0.0, < 28.0.12, >= 29.0.0, < 29.0.9, >= 30.0.0, < 30.0.2
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 (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Permissions Required, x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-52518?
- CVE-2024-52518 is a medium-severity vulnerability in Nextcloud Server, classified under Improper Authentication. CVSS score: 4.4/10. Published 2024-11-15.
- How severe is CVE-2024-52518?
- Medium severity. CVSS v3 base score is 4.4 out of 10.