Vulnerability in Nextcloud Server
CVE-2023-25821
Nextcloud is an Open Source private cloud software. Versions 24.0.4 and above, prior to 24.0.7, and 25.0.0 and above, prior to 25.0.1, contain Improper Access Control. Secure view for internal shares can be circumvented if reshare permissions are also given. This issue is patched in versions 24.0.7 and 25.0.1. No workaround is available.
EPSS: 0.009 (57.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Nextcloud Nextcloud_server — versions 25.0.0
- Nextcloud Security-advisories — versions >= 24.0.4, < 24.0.7, >= 25.0.0, < 25.0.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-25821?
- CVE-2023-25821 is a medium-severity vulnerability in Nextcloud Server, classified under Improper Access Control. CVSS score: 5.7/10. Published 2023-02-25.
- How severe is CVE-2023-25821?
- Medium severity. CVSS v3 base score is 5.7 out of 10.