VDB-325913 · CVE-2025-34227 · WID-SEC-2025-2133

Nagios XI up to 2026 Query Wizard os command injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Nagios XI up to 2026. It has been rated as critical. Impacted is an unknown function of the component Query Wizard. The manipulation leads to os command injection. This vulnerability is listed as CVE-2025-34227. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Nagios XI up to 2026 and classified as critical. This issue affects an unknown function of the component Query Wizard. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Nagios XI < 2026R1 is vulnerable to an authenticated command injection vulnerability within the MongoDB Database, MySQL Query, MySQL Server, Postgres Server, and Postgres Query wizards. It is possible to inject shell characters into arguments provided to the service and execute arbitrary system commands on the underlying host as the `nagios` user.

The weakness was presented by M. Cory Billington. The advisory is shared at nagios.com. The identification of this vulnerability is CVE-2025-34227 since 04/15/2025. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading to version 2026R1 eliminates this vulnerability. The upgrade is hosted for download at nagios.com.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2133). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

Nagios Enterprises Nagios XI

Productinfo

Type

Log Management Software

Vendor

Nagios

Name

Version

2026

License

commercial

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.2
VulDB Temp Score: 6.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: XI 2026R1

Timelineinfo

04/15/2025 CVE reserved
09/25/2025 +163 days Advisory disclosed
09/25/2025 +0 days VulDB entry created
10/15/2025 +20 days VulDB entry last update

Sourcesinfo

Advisory: nagios.com
Researcher: M. Cory Billington
Status: Confirmed

CVE: CVE-2025-34227 (🔒)
GCVE (CVE): GCVE-0-2025-34227
GCVE (VulDB): GCVE-100-325913
CERT Bund: WID-SEC-2025-2133 - Nagios Enterprises Nagios XI: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode

Entryinfo

Created: 09/25/2025 19:53
Updated: 10/15/2025 09:15
Changes: 09/25/2025 19:53 (70), 09/26/2025 09:36 (7), 10/15/2025 09:15 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.