{"id":"CVE-2025-66597","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 supports\nweak cryptographic algorithms, potentially allowing an attacker to decrypt\ncommunications with the web server.\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":"2026-02-09T03:31:24.991Z","updatedAt":"2026-02-09T19:05:50.700Z","severity":{"score":8.8,"label":"High","version":"4.0","vector":"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","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-327"],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/66xxx/CVE-2025-66597.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-66597","state":"PUBLISHED","datePublished":"2026-02-09T03:31:24.991Z","dateUpdated":"2026-02-09T19:05:50.700Z","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 supports\nweak cryptographic algorithms, potentially allowing an attacker to decrypt\ncommunications with the web server.\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":8.8,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-327","description":"CWE-327 Use of a Broken or Risky Cryptographic Algorithm","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"YokogawaGroup","orgId":"7168b535-132a-4efe-a076-338f829b2eb9","dateUpdated":"2026-02-09T03:31:24.991Z"},"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":"2026-02-09T19:04:07.137754Z","id":"CVE-2025-66597","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":"2026-02-09T19:05:50.700Z"}}]}}}