Nagios XI < 2024R1.4.2 RCE via Business Process Intelligence (BPI)

Summary

CVECVE-2025-34134
StatePUBLISHED
AssignerVulnCheck
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-10-30 22:15:46 UTC
Updated2026-10-07 21:10:00 UTC
DescriptionNagios 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.

Risk And Classification

Primary CVSS: v4.0 9.4 CRITICAL from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.024050000 probability, percentile 0.835470000 (date 2026-10-07)

Problem Types: CWE-78 | CWE-78 CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')


VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary9.4CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/C...
4.0CNACVSS9.4CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
3.1[email protected]Primary7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
High
Sub Integrity
High
Sub Availability
High

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nagios Nagios Xi All All All All
Application Nagios Nagios Xi 2024 r1 All All
Application Nagios Nagios Xi 2024 r1.0.1 All All
Application Nagios Nagios Xi 2024 r1.0.2 All All
Application Nagios Nagios Xi 2024 r1.1 All All
Application Nagios Nagios Xi 2024 r1.1.1 All All
Application Nagios Nagios Xi 2024 r1.1.2 All All
Application Nagios Nagios Xi 2024 r1.1.3 All All
Application Nagios Nagios Xi 2024 r1.1.4 All All
Application Nagios Nagios Xi 2024 r1.1.5 All All
Application Nagios Nagios Xi 2024 r1.2 All All
Application Nagios Nagios Xi 2024 r1.2.1 All All
Application Nagios Nagios Xi 2024 r1.2.2 All All
Application Nagios Nagios Xi 2024 r1.3 All All
Application Nagios Nagios Xi 2024 r1.3.1 All All
Application Nagios Nagios Xi 2024 r1.3.2 All All
Application Nagios Nagios Xi 2024 r1.3.3 All All
Application Nagios Nagios Xi 2024 r1.3.4 All All
Application Nagios Nagios Xi 2024 r1.4 All All
Application Nagios Nagios Xi 2024 r1.4.1 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Nagios XI affected 2024R1.4.2 custom Not specified

References

ReferenceSourceLinkTags
www.nagios.com/changelog/nagios-xi [email protected] www.nagios.com Release Notes
www.vulncheck.com/advisories/nagios-xi-rce-via-business-process-intelligence-bpi [email protected] www.vulncheck.com Third Party Advisory
www.nagios.com/products/security [email protected] www.nagios.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: M. Cory Billington of theyhack.me (en)

Additional Advisory Data

Solutions

CNA: Nagios addresses this vulnerability as "Nagios XI was vulnerable to remote code execution via the Business Process Intelligence (BPI) component" and "Fixed an issue with BPI configuration and log files."

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