{"id":"CVE-2025-66596","state":"PUBLISHED","title":"A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.","description":"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","publishedAt":"2026-02-09T03:35:28.896Z","updatedAt":"2026-02-09T19:05:44.946Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"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","source":"YokogawaGroup"},"assigner":"YokogawaGroup","products":["Yokogawa Electric Corporation FAST/TOOLS"],"affected":[{"vendor":"Yokogawa Electric Corporation","product":"FAST/TOOLS","defaultStatus":"unknown","versions":[{"version":"R9.01","status":"affected","lessThanOrEqual":"R10.04","versionType":"custom"}]}],"references":["https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf"],"weaknesses":["CWE-601"],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/66xxx/CVE-2025-66596.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-66596","state":"PUBLISHED","datePublished":"2026-02-09T03:35:28.896Z","dateUpdated":"2026-02-09T19:05:44.946Z","assignerShortName":"YokogawaGroup","assignerOrgId":"7168b535-132a-4efe-a076-338f829b2eb9","dateReserved":"2025-12-05T05:04:18.582Z"},"containers":{"cna":{"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"}],"affected":[{"vendor":"Yokogawa Electric Corporation","product":"FAST/TOOLS","defaultStatus":"unknown","versions":[{"version":"R9.01","status":"affected","lessThanOrEqual":"R10.04","versionType":"custom"}]}],"references":[{"url":"https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf"}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-601","description":"CWE-601 URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"YokogawaGroup","orgId":"7168b535-132a-4efe-a076-338f829b2eb9","dateUpdated":"2026-02-09T03:35:28.896Z"},"datePublic":"2026-02-09T03:00:00.000Z","source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-09T19:04:04.739597Z","id":"CVE-2025-66596","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-09T19:05:44.946Z"}}]}}}