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CVE-2025-34135

4.4 · MEDIUM

Nagios XI versions prior to 2024R1.4.2 configure some systemd unit files with permission sets that were too permissive.

Published Oct 30, 2025CWE-732EPSS 0.36%

Overview

CVE-2025-34135 is a medium-severity vulnerability. It was published on October 30, 2025 and has a CVSS 3.1 base score of 4.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Nagios XI versions prior to 2024R1.4.2 configure some systemd unit files with permission sets that were too permissive. In particular, the nagios.service unit had executable permissions that were not required. Overly permissive permissions on service unit files can broaden local attack surface by enabling unintended execution behaviors or facilitating abuse of service operations when combined with other weaknesses.

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

Refwww.nagios.com/changelog/nagios-xi/Refwww.nagios.com/products/security/#nagios-xiRefwww.vulncheck.com/advisories/nagios-xi-overly-permissive-permissions-on-systemd-unit-files

How CyberStrike helps

Frequently asked questions

What is CVE-2025-34135?

CVE-2025-34135 is a medium-severity vulnerability. It was published on October 30, 2025 and has a CVSS 3.1 base score of 4.4 (MEDIUM).

How severe is CVE-2025-34135?

This vulnerability has a CVSS 3.1 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-34135?

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-2025-34135?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-34135 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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