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CVE-2023-28844

5.7 · MEDIUM
Published Mar 31, 2023 nextcloud CWE-284 EPSS 0.62% (47th pctl)

Overview

CVE-2023-28844 is a medium-severity vulnerability affecting nextcloud nextcloud_server. It was published on March 31, 2023 and has a CVSS 3.1 base score of 5.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.7, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

Nextcloud server is an open source home cloud implementation. In affected versions users that should not be able to download a file can still download an older version and use that for uncontrolled distribution. This issue has been addressed in versions 24.0.10 and 25.0.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.

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 >= 24.0.4, < 24.0.10 Affected

Frequently Asked Questions

What is CVE-2023-28844?

CVE-2023-28844 is a medium-severity vulnerability affecting nextcloud nextcloud_server. It was published on March 31, 2023 and has a CVSS 3.1 base score of 5.7 (MEDIUM).

How severe is CVE-2023-28844?

This vulnerability has a CVSS 3.1 base score of 5.7, 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-2023-28844?

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-2023-28844?

CyberStrike's AI-powered security agents can automatically detect CVE-2023-28844 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.