Vulnerability in Nextcloud Server
CVE-2023-25159
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Office is a document collaboration app for the same platform. Nextcloud Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, Nextcloud Enterprise Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, and Nextcloud Office (Richdocuments) App 6.x prior to 6.3.1 and 7.x prior to 7.0.1 have previews accessible without a watermark. The download should be hidden and the watermark should get applied. This issue is fixed in Nextcloud Server 25.0.1 and 24.0.8, Nextcloud Enterprise Server 25.0.1 and 24.0.8, and Nextcloud Office (Richdocuments) App 7.0.1 (for 25) and 6.3.1 (for 24). No known workarounds are available.
EPSS: 0.005 (37.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Nextcloud Nextcloud_server — versions 24.0.2, 25.0.0
- Nextcloud Richdocuments — versions 7.0.0
- Nextcloud Security-advisories — versions >= 24.0.4, < 24.0.8, = 25.0.0, >= 6.0.0, < 6.3.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Broken Link)
- security-advisories@github.com (x_refsource_MISC, Broken Link)
- security-advisories@github.com (Permissions Required, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-25159?
- CVE-2023-25159 is a low-severity vulnerability in Nextcloud Server, classified under Improper Access Control. CVSS score: 2.3/10. Published 2023-02-13.
- How severe is CVE-2023-25159?
- Low severity. CVSS v3 base score is 2.3 out of 10.