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CVE-2023-25160

4.1 · MEDIUM

Nextcloud Mail is an email app for the Nextcloud home server platform.

Published Feb 13, 2023CWE-639EPSS 0.46%

Overview

CVE-2023-25160 is a medium-severity vulnerability. It was published on February 13, 2023 and has a CVSS 3.1 base score of 4.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.1, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Nextcloud Mail is an email app for the Nextcloud home server platform. Prior to versions 2.2.1, 1.14.5, 1.12.9, and 1.11.8, an attacker can access the mail box by ID getting the subjects and the first characters of the emails. Users should upgrade to Mail 2.2.1 for Nextcloud 25, Mail 1.14.5 for Nextcloud 22-24, Mail 1.12.9 for Nextcloud 21, or Mail 1.11.8 for Nextcloud 20 to receive a patch. 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/mail/pull/7740GitHubgithub.com/nextcloud/security-advisories/security/advisories/GHSA-m45f-r5gh-h6cxRefhackerone.com/reports/1784681GitHubgithub.com/nextcloud/mail/pull/7740GitHubgithub.com/nextcloud/security-advisories/security/advisories/GHSA-m45f-r5gh-h6cxRefhackerone.com/reports/1784681

How CyberStrike helps

Frequently asked questions

What is CVE-2023-25160?

CVE-2023-25160 is a medium-severity vulnerability. It was published on February 13, 2023 and has a CVSS 3.1 base score of 4.1 (MEDIUM).

How severe is CVE-2023-25160?

This vulnerability has a CVSS 3.1 base score of 4.1, 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-2023-25160?

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-2023-25160?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-25160 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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