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Vulnerability Intelligence

CVE-2021-47694

MEDIUM5.1

Nagios XI < 5.8.6 Core Config Manager (CCM) Reflected XSS via Test Command

Published Oct 30, 2025

Modified 2 months ago

No fix available

Details

The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.1.4 / Nagios XI 5.8.6 contains a reflected cross-site scripting (XSS) vulnerability via the Test Command functionality. 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.

References

ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2021-47694 FIXhttps://www.nagios.com/changelog/nagios-xi/ADVISORYhttps://www.vulncheck.com/advisories/nagios-xi-ccm-reflected-xss-via-test-command

CVSS Analysis

CVSS v4.0

5.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Attack Requirements

NoneAT:N

Privileges Required

LowPR:L

User Interaction

PassiveUI:P

Vulnerable System

Vuln. Confidentiality

NoneVC:N

Vuln. Integrity

NoneVI:N

Vuln. Availability

NoneVA:N

Subsequent System

Subseq. Confidentiality

LowSC:L

Subseq. Integrity

LowSI:L

Subseq. Availability

NoneSA:N

5.1/CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Weakness Type (CWE)

Injection

Cross-site Scripting (XSS)

Input Validation

Improper Encoding/Escaping

Ecosystems

Timeline

PublishedOct 30, 2025

ModifiedNov 17, 2025

CVE-2021-47694 | Mondoo Vulnerability Intelligence