CVE-2017-20209

Nagios Fusion versions prior to 4.0.1 are vulnerable to cross-site scripting (XSS) via the Users and Servers pages. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://www.nagios.com/changelog/nagios-fusion/	Release Notes
https://www.vulncheck.com/advisories/nagios-fusion-xss-via-users-servers-page	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nagios:fusion:4.0.0:*:*:*:*:*:*:*

History

06 Nov 2025, 18:23

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-10-30 22:15

Updated : 2025-11-06 18:23

NVD link : CVE-2017-20209

Mitre link : CVE-2017-20209

CVE.ORG link : CVE-2017-20209

JSON object : View

Products Affected

nagios

fusion

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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