CVE-2025-34274
criticalpriority · track · 40EPSS 0.021 · 81 %ileEURUUSEPSS · scored 2026-10-27
Nagios Log Server versions prior to 2024R2.0.3 contain an execution with unnecessary privileges vulnerability as it runs its embedded Logstash process as the root user. If an attacker is able to compromise the Logstash process - for example by exploiting an insecure plugin, pipeline configuration injection, or a vulnerability in input parsing - the attacker could execute code with root privileges, resulting in full system compromise. The Logstash service has been altered to run as the lower-privileged 'nagios' user to reduce this risk associated with a network-facing service that can accept untrusted input or load third-party components.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://www.nagios.com/changelog/#log-servercnnvd
- https://www.nagios.com/products/security/#log-server-2024R2cnnvd
- https://www.vulncheck.com/advisories/nagios-log-server-logstash-process-root-privilegescnnvd
- https://www.nagios.com/changelog/#log-serverenisa_euvd
- https://www.nagios.com/products/security/#log-server-2024R2enisa_euvd
- https://www.vulncheck.com/advisories/nagios-log-server-logstash-process-root-privilegesenisa_euvd
- https://www.nagios.com/changelog/#log-serverRelease Notesnvd
- https://www.nagios.com/products/security/#log-server-2024R2Vendor Advisorynvd
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