{"id":"CVE-2024-14006","title":"Nagios XI versions prior to 2024R1.2.2 contain a host header injection vulnerability","summary":"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 att…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-346"],"vendor":"nagios","product":"nagios_xi","affected":["nagios_xi < 2024","nagios_xi = 2024"],"patched":["nagios_xi 2024"],"published":"2025-10-30","updated":"2026-09-30","sourceUpdated":"2026-09-30T18:17:56.477","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-14006","references":[{"url":"https://www.nagios.com/changelog/nagios-xi/","label":"disclosure@vulncheck.com"},{"url":"https://www.nagios.com/products/security/#nagios-xi","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/nagios-xi-host-header-injection","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org","score-dispute"],"epss":0.00475,"epssPercentile":0.38734,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2025-10-31T13:04:28.191606Z"},"scores":{"nvd":6.1,"cna":8.8},"ingestedAt":"2026-09-30T18:17:24.563Z","slug":"CVE-2024-14006","body":"## Overview\n\nNagios 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.\n\n## Affected\n\n- `nagios_xi < 2024`\n- `nagios_xi = 2024`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `nagios_xi 2024`","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":213878,"id":"CVE-2024-14006","ts":1790796116125,"field":"cvss","old":"8.8","new":"6.1"},{"seq":213877,"id":"CVE-2024-14006","ts":1790796116125,"field":"severity","old":"high","new":"medium"}]}