Vulnerability in Nagios Xi
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (36.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.nagios.com/products/security/ (vendor-advisory, patch, Vendor Advisory)
- www.nagios.com/changelog/nagios-xi/ (release-notes, Release Notes, patch)
- www.vulncheck.com/advisories/nagios-xi-host-header-injection (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2024-14006?
- CVE-2024-14006 is a medium-severity vulnerability in Nagios Xi, classified under Origin Validation Error. CVSS score: 6.1/10. Published 2025-10-30.
- How severe is CVE-2024-14006?
- Medium severity. CVSS v3 base score is 6.1 out of 10.