CVE-2025-66597

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-66597", "assignerOrgId": "7168b535-132a-4efe-a076-338f829b2eb9", "state": "PUBLISHED", "assignerShortName": "YokogawaGroup", "dateReserved": "2025-12-05T05:04:18.582Z", "datePublished": "2026-02-09T03:31:24.991Z", "dateUpdated": "2026-02-09T19:05:50.700Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "product": "FAST/TOOLS", "vendor": "Yokogawa Electric Corporation", "versions": [{"lessThanOrEqual": "R10.04", "status": "affected", "version": "R9.01", "versionType": "custom"}]}], "datePublic": "2026-02-09T03:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.</p>\n\n<p>This product supports\nweak cryptographic algorithms, potentially allowing an attacker to decrypt\ncommunications with the web server.</p>\n\n<p>The\naffected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to\nR10.04</p>"}], "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"}], "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": {"orgId": "7168b535-132a-4efe-a076-338f829b2eb9", "shortName": "YokogawaGroup", "dateUpdated": "2026-02-09T03:31:24.991Z"}, "references": [{"url": "https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"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"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-09T19:05:50.700Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-66597", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-02-09T19:04:07.137754Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-09T19:04:08.041Z"}}], "cna": {"source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.8, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Yokogawa Electric Corporation", "product": "FAST/TOOLS", "versions": [{"status": "affected", "version": "R9.01", "versionType": "custom", "lessThanOrEqual": "R10.04"}], "defaultStatus": "unknown"}], "datePublic": "2026-02-09T03:00:00.000Z", "references": [{"url": "https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf"}], "x_generator": {"engine": "Vulnogram 0.5.0"}, "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", "supportingMedia": [{"type": "text/html", "value": "<p>A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.</p>\n\n<p>This product supports\nweak cryptographic algorithms, potentially allowing an attacker to decrypt\ncommunications with the web server.</p>\n\n<p>The\naffected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to\nR10.04</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-327", "description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm"}]}], "providerMetadata": {"orgId": "7168b535-132a-4efe-a076-338f829b2eb9", "shortName": "YokogawaGroup", "dateUpdated": "2026-02-09T03:31:24.991Z"}}}, "cveMetadata": {"cveId": "CVE-2025-66597", "state": "PUBLISHED", "dateUpdated": "2026-02-09T19:05:50.700Z", "dateReserved": "2025-12-05T05:04:18.582Z", "assignerOrgId": "7168b535-132a-4efe-a076-338f829b2eb9", "datePublished": "2026-02-09T03:31:24.991Z", "assignerShortName": "YokogawaGroup"}, "dataVersion": "5.2"}

{"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 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"}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en FAST/TOOLS proporcionado por Yokogawa Electric Corporation.\n\nEste producto soporta algoritmos criptogr\u00e1ficos d\u00e9biles, lo que podr\u00eda permitir a un atacante descifrar las comunicaciones con el servidor web.\n\nLos productos y versiones afectados son los siguientes: FAST/TOOLS (Paquetes: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 a R10.04"}], "id": "CVE-2025-66597", "lastModified": "2026-06-17T09:57:05.430", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "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": 8.8, "baseSeverity": "HIGH", "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": "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/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": "HIGH", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "7168b535-132a-4efe-a076-338f829b2eb9", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-66597", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-09T19:04:07.137754Z", "version": "2.0.3"}}]}, "published": "2026-02-09T05:16:24.070", "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-327"}], "source": "7168b535-132a-4efe-a076-338f829b2eb9", "type": "Secondary"}]}

{}

{"created": "2026-02-09T10:39:13.456556+00:00", "updated": "2026-02-09T10:39:13.456588+00:00", "vendors": ["yokogawa", "yokogawa$PRODUCT$fast/tools"]}