CVE-2023-25159

Name: CVE-2023-25159
Creator: NVD / NIST
Published: 2023-02-13T17:15:11.62+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2023-25159 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.46%

36.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Nextcloud	Nextcloud Server	>= 24.0.4, <= 24.0.8
Nextcloud	Nextcloud Server	24.0.2
Nextcloud	Nextcloud Server	25.0.0
Nextcloud	Richdocuments	>= 6.0.0, < 6.3.1
Nextcloud	Richdocuments	7.0.0

References

https://github.com/nextcloud/richdocuments/pull/2579Broken Link
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-92g2-h5jv-jjmgVendor Advisory
https://github.com/nextcloud/server/pull/34799Broken Link
https://hackerone.com/reports/1745755Permissions Required, Third Party Advisory
https://github.com/nextcloud/richdocuments/pull/2579Broken Link
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-92g2-h5jv-jjmgVendor Advisory
https://github.com/nextcloud/server/pull/34799Broken Link
https://hackerone.com/reports/1745755Permissions Required, Third Party Advisory

Timeline

Published: Feb 13, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-25159?

How severe is CVE-2023-25159?

CVE-2023-25159 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2023-25159?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-25159?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST