Nagios XI versions prior to 2024R1.4.2 contain a remote code execution vulnerability in the Business Process Intelligence (BPI) component. Insufficient validation and sanitization of administrator-controlled BPI configuration parameters (notably bpi_logfile and bpi_configfile) allow an authenticated administrative user to cause the product to create or overwrite files within the webroot and subsequently edit them via the BPI configuration editor. When such files carry executable extensions and are served by the web application, arbitrary code may be executed in the context of the web application user. Successful exploitation results in arbitrary command execution with the privileges of the Nagios XI web application user and can be leveraged to gain further control of the underlying host operating system.
CVE-2025-34134
Score 7.2 from GitHub Security Advisory (severity: CRITICAL) published 2025-10-31. NVD baseline CVSS 7.2; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.2
- EG Score
- 7.2(medium)
- EG Risk
- 33(Track)EG Risk 33/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity72% × 45%Exploitation2% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 2%
- EPSS %ILE
- 81%
- KEV
- Not listed
Published
October 30, 2025
Last Modified
November 6, 2025
References (3)
- disclosure@vulncheckhttps://www.nagios.com/changelog/nagios-xi/
- disclosure@vulncheckhttps://www.nagios.com/products/security/#nagios-xi
- disclosure@vulncheckhttps://www.vulncheck.com/advisories/nagios-xi-rce-via-business-process-intelligence-bpi
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Related CVEs(same CWE)
Same CWE
10 shownCWE-78
- CVE-2009-20011EG 10.0CRITICAL
- CVE-2011-10017EG 10.0CRITICAL
- CVE-2012-1166EG 10.0EPSS p91HIGH
- CVE-2012-2976EG 10.0EPSS p92HIGH
- CVE-2012-2953EG 10.0EPSS p99HIGH
- CVE-2011-4502EG 10.0EPSS p92HIGH
- CVE-2011-2148EG 10.0EPSS p92HIGH
- CVE-2011-0382EG 10.0EPSS p90HIGH
- CVE-2011-0381EG 10.0EPSS p92HIGH
- CVE-2011-0372EG 10.0HIGH
Frequently asked(5)
What is CVE-2025-34134?
When was CVE-2025-34134 disclosed?
Is CVE-2025-34134 actively exploited?
What is the CVSS score of CVE-2025-34134?
How do I remediate CVE-2025-34134?
Dependency Blast Radius
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