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CVE-2023-25579

6.0 · MEDIUM
Published Feb 22, 2023 nextcloud CWE-22 EPSS 0.51% (41th pctl)

Overview

CVE-2023-25579 is a medium-severity vulnerability affecting nextcloud nextcloud_server. It was published on February 22, 2023 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

Nextcloud server is a self hosted home cloud product. In affected versions the `OC\Files\Node\Folder::getFullPath()` function was validating and normalizing the string in the wrong order. The function is used in the `newFile()` and `newFolder()` items, which may allow to creation of paths outside of ones own space and overwriting data from other users with crafted paths. This issue has been addressed in versions 25.0.2, 24.0.8, and 23.0.12. Users are advised to upgrade. There are no known workarounds for this issue.

Remediation

Check the references section for vendor advisories and patches from nextcloud. Update nextcloud_server to the latest patched version. 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.

Affected Products

Vendor Product Versions Status
nextcloud nextcloud_server >= 0, < 23.0.12 Affected

Frequently Asked Questions

What is CVE-2023-25579?

CVE-2023-25579 is a medium-severity vulnerability affecting nextcloud nextcloud_server. It was published on February 22, 2023 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

How severe is CVE-2023-25579?

This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-25579?

Check the references section for vendor advisories and patches from nextcloud. Update nextcloud_server to the latest patched version. 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-2023-25579?

CyberStrike's AI-powered security agents can automatically detect CVE-2023-25579 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.