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CVE-2023-25159

2.3 · LOW

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.

Published Feb 13, 2023CWE-284EPSS 0.46%

Overview

CVE-2023-25159 is a low-severity vulnerability. It was published on February 13, 2023 and has a CVSS 3.1 base score of 2.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 2.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/nextcloud/richdocuments/pull/2579GitHubgithub.com/nextcloud/security-advisories/security/advisories/GHSA-92g2-h5jv-jjmgGitHubgithub.com/nextcloud/server/pull/34799Refhackerone.com/reports/1745755GitHubgithub.com/nextcloud/richdocuments/pull/2579GitHubgithub.com/nextcloud/security-advisories/security/advisories/GHSA-92g2-h5jv-jjmgGitHubgithub.com/nextcloud/server/pull/34799Refhackerone.com/reports/1745755

How CyberStrike helps

Frequently asked questions

What is CVE-2023-25159?

CVE-2023-25159 is a low-severity vulnerability. It was published on February 13, 2023 and has a CVSS 3.1 base score of 2.3 (LOW).

How severe is CVE-2023-25159?

This vulnerability has a CVSS 3.1 base score of 2.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-25159?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-25159?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-25159 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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