CVE-2024-14006

Nagios XI < 2024R1.2.2 Host Header Injection

Published Oct 30, 2025 CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Nagios addresses this vulnerability as "Nagios XI was vulnerable to a host header injection attack" and as a part of "Fixed a vulnerability to host header injection attacks."

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:nagios:nagios_xi:2024:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Nagios nagios Xi
CPEs cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.0.1:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.0.2:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.1.1:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.1.2:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.1.3:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.1.4:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.1.5:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.1:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.2.1:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1.2:*:*:*:*:*:*
cpe:2.3:a:nagios:nagios_xi:2024:r1:*:*:*:*:*:*
Vendors & Products Nagios nagios Xi
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Nagios
Nagios xi
Vendors & Products Nagios
Nagios xi
Type Values Removed Values Added
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.
Title Nagios XI < 2024R1.2.2 Host Header Injection
Weaknesses CWE-346
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 30, 2026, 5:19 PM
Reserved
Oct 22, 2025, 7:03 PM
Status
Analyzed
Published
Oct 30, 2025, 10:15 PM
Modified
Oct 2, 2026, 12:10 AM