CVE-2025-66596

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "FAST/TOOLS", "vendor": "Yokogawa Electric Corporation", "versions": [{"lessThanOrEqual": "R10.04", "status": "affected", "version": "R9.01", "versionType": "custom"}]}], "source": "7168b535-132a-4efe-a076-338f829b2eb9"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:yokogawa:fast\\/tools:*:*:*:*:*:*:*:*", "matchCriteriaId": "09CB375F-6336-400F-941D-1EFF531E6D59", "versionEndIncluding": "r10.04", "versionStartIncluding": "r9.01", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.\n\n\n\nThis product does not\nproperly validate request headers. When an attacker inserts an invalid host\nheader, users could be redirected to malicious sites.\n\n\n\nThe\naffected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to\nR10.04"}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en FAST/TOOLS proporcionado por Yokogawa Electric Corporation.\n\nEste producto no valida correctamente los encabezados de solicitud. Cuando un atacante inserta un encabezado de host no v\u00e1lido, los usuarios podr\u00edan ser redirigidos a sitios maliciosos.\n\nLos productos y versiones afectados son los siguientes: FAST/TOOLS (Paquetes: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 a R10.04"}], "id": "CVE-2025-66596", "lastModified": "2026-06-17T09:57:05.313", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "7168b535-132a-4efe-a076-338f829b2eb9", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-66596", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-09T19:04:04.739597Z", "version": "2.0.3"}}]}, "published": "2026-02-09T05:16:23.950", "references": [{"source": "7168b535-132a-4efe-a076-338f829b2eb9", "tags": ["Vendor Advisory"], "url": "https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf"}], "sourceIdentifier": "7168b535-132a-4efe-a076-338f829b2eb9", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-601"}], "source": "7168b535-132a-4efe-a076-338f829b2eb9", "type": "Secondary"}]}

{}

{"created": "2026-02-09T10:39:24.302050+00:00", "updated": "2026-02-09T10:39:24.302086+00:00", "vendors": ["yokogawa", "yokogawa$PRODUCT$fast/tools"]}