CVE-2024-14006

MEDIUM
Published Oct 30, 2025 Modified Nov 6, 2025 CWE-346

Description

Nagios XI versions prior to 2024R1.2.2 contain a host header injection vulnerability. The application trusts the user-supplied HTTP Host header when constructing absolute URLs without sufficient validation. An unauthenticated, remote attacker can supply a crafted Host header to poison generated links or responses, which may facilitate phishing of credentials, account recovery link hijacking, and web cache poisoning.

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CVSS v3.1 Score

6.1
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-346 CWE-346

Affected Products

Vendor Product
nagios nagios_xi
nagios nagios_xi
nagios nagios_xi
nagios nagios_xi
nagios nagios_xi
nagios nagios_xi
nagios nagios_xi
nagios nagios_xi
nagios nagios_xi
nagios nagios_xi
nagios nagios_xi
nagios nagios_xi

References

Frequently Asked Questions

What is CVE-2024-14006? +
Nagios XI versions prior to 2024R1.2.2 contain a host header injection vulnerability. The application trusts the user-supplied HTTP Host header when constructing absolute URLs without sufficient validation. An unauthenticated, remote attacker can supply a crafted Host header to poison generated links or responses, which may facilitate phishing of credentials, account recovery link hijacking, and web cache poisoning. It has a CVSS v3.1 base score of 6.1 (MEDIUM).
How severe is CVE-2024-14006? +
CVE-2024-14006 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-14006? +
CVE-2024-14006 affects products from nagios, specifically: nagios_xi. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-14006? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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