Out-of-bounds Read in Nextcloud Server
CVE-2024-52523
Nextcloud Server is a self hosted personal cloud system. After setting up a user or administrator defined external storage with fixed credentials, the API returns them and adds them into the frontend again, allowing to read them in plain text when an attacker already has access to an active session of a user. It is recommended that the Nextcloud Server is upgraded to 28.0.12, 29.0.9 or 30.0.2 and Nextcloud Enterprise Server is upgraded to 25.0.13.14, 26.0.13.10, 27.1.11.10, 28.0.12, 29.0.9 or 30.0.2.
Vulnerability class: Information Disclosure
EPSS: 0.006 (47.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/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 (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-52523?
- CVE-2024-52523 is a medium-severity vulnerability in Nextcloud Server, classified under Information Disclosure. CVSS score: 4.6/10. Published 2024-11-15.
- How severe is CVE-2024-52523?
- Medium severity. CVSS v3 base score is 4.6 out of 10.