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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."}],"metrics":{"cvssMetricV40":[{"source":"disclosure@vulncheck.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}]},"weaknesses":[{"source":"disclosure@vulncheck.com","type":"Secondary","description":[{"lang":"en","value":"CWE-346"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*","versionEndExcluding":"2024","matchCriteriaId":"62CF7BF4-6AAA-443E-93B4-B2F080091C13"},{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:r1:*:*:*:*:*:*","matchCriteriaId":"85F1764D-1DD8-44B0-BF5A-2420CB519A3C"},{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:r1.0.1:*:*:*:*:*:*","matchCriteriaId":"C1FE1A0B-78D1-4626-A4CD-21B843DA596E"},{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:r1.0.2:*:*:*:*:*:*","matchCriteriaId":"CCAB888E-F030-4640-9A18-9E423E553308"},{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:r1.1:*:*:*:*:*:*","matchCriteriaId":"C648B0A4-053C-4884-8A37-4AF03053ED1C"},{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:r1.1.1:*:*:*:*:*:*","matchCriteriaId":"893EEA99-0096-4C9F-BA8A-246A3E3F6C15"},{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:r1.1.2:*:*:*:*:*:*","matchCriteriaId":"A1FDA3F3-DF79-4807-9451-F04B2DB9A2B6"},{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:r1.1.3:*:*:*:*:*:*","matchCriteriaId":"9E055065-35A7-458A-A2DB-26634B97EE7C"},{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:r1.1.4:*:*:*:*:*:*","matchCriteriaId":"76946B2D-093C-4981-8465-5ADBB98C0676"},{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:r1.1.5:*:*:*:*:*:*","matchCriteriaId":"E9112876-7C61-4A72-8F91-023378E82E6D"},{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:r1.2:*:*:*:*:*:*","matchCriteriaId":"1443759F-EBD7-4366-A5D3-9FB15CE15B40"},{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:2024:r1.2.1:*:*:*:*:*:*","matchCriteriaId":"F85D8CA4-F1AC-4538-925C-1AD00FF7B9C1"}]}]}],"references":[{"url":"https://www.nagios.com/changelog/nagios-xi/","source":"disclosure@vulncheck.com","tags":["Release Notes"]},{"url":"https://www.nagios.com/products/security/#nagios-xi","source":"disclosure@vulncheck.com","tags":["Vendor Advisory"]},{"url":"https://www.vulncheck.com/advisories/nagios-xi-host-header-injection","source":"disclosure@vulncheck.com","tags":["Third Party Advisory"]}]}}]}