Nagios XI up to 5.4.12 Component Download Page os command injection

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Nagios XI up to 5.4.12. Impacted is an unknown function of the component Component Download Page. Such manipulation leads to os command injection. This vulnerability is uniquely identified as CVE-2018-25122. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Nagios XI up to 5.4.12. It has been rated as critical. Affected by this issue is an unknown functionality of the component Component Download Page. 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. CVE summarizes:

Nagios XI versions prior to 5.4.13 contain a remote code execution vulnerability in the Component Download page. The download/import handler used unsafe command construction with attacker-controlled input and lacked sufficient validation and output encoding, allowing an authenticated user to inject commands or otherwise execute arbitrary code with the privileges of the application service.

The weakness was disclosed by Bjoern Brixner. The advisory is shared for download at nagios.com. This vulnerability is handled as CVE-2018-25122 since 10/29/2025. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading to version 5.4.13 eliminates this vulnerability. The upgrade is hosted for download at nagios.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2018-21609). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

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: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: XI 5.4.13

Timelineinfo

10/29/2025 CVE reserved
10/31/2025 +2 days Advisory disclosed
10/31/2025 +0 days VulDB entry created
11/17/2025 +17 days VulDB entry last update

Sourcesinfo

Advisory: nagios.com
Researcher: Bjoern Brixner
Status: Confirmed

CVE: CVE-2018-25122 (🔒)
GCVE (CVE): GCVE-0-2018-25122
GCVE (VulDB): GCVE-100-330632
EUVD: 🔒

Entryinfo

Created: 10/31/2025 07:27
Updated: 11/17/2025 23:18
Changes: 10/31/2025 07:27 (70), 11/17/2025 23:18 (1)
Complete: 🔍
Cache ID: 216::103

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