Vulnerability-Lookup

FKIE_CVE-2025-66598

Vulnerability from fkie_nvd - Published: 2026-02-09 05:16 - Updated: 2026-03-06 20:25

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product supports old SSL/TLS versions, potentially allowing an attacker to decrypt communications with the web server. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04

References

	URL	Tags
	7168b535-132a-4efe-a076-338f829b2eb9	https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf	Vendor Advisory

Impacted products

	Vendor	Product	Version
	yokogawa	fast\/tools	*

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:yokogawa:fast\\/tools:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "09CB375F-6336-400F-941D-1EFF531E6D59",
              "versionEndIncluding": "r10.04",
              "versionStartIncluding": "r9.01",
              "vulnerable": true
            }
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          "negate": false,
          "operator": "OR"
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  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.\n\n\n\nThis product supports\nold SSL/TLS versions, 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 versiones antiguas de SSL/TLS, 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-2025-66598",
  "lastModified": "2026-03-06T20:25:16.860",
  "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": 7.1,
          "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": "LOW",
          "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:L/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"
      }
    ]
  },
  "published": "2026-02-09T05:16:24.217",
  "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"
    }
  ]
}

CVE-2025-66598 (GCVE-0-2025-66598)

Vulnerability from cvelistv5 – Published: 2026-02-09 03:26 – Updated: 2026-02-09 19:05

Summary

Severity ?

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

CWE

CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Assigner

YokogawaGroup

References

URL

Tags

https://web-material3.yokogawa.com/1/39206/files/…

Impacted products

	Vendor	Product	Version
	Yokogawa Electric Corporation	FAST/TOOLS	Affected: R9.01 , ≤ R10.04 (custom)

Date Public ?

2026-02-09 03:00

Show details on NVD website

JSON

To clipboard

{
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-66598",
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                  },
                  {
                    "Technical Impact": "partial"
                  }
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                "role": "CISA Coordinator",
                "timestamp": "2026-02-09T19:02:34.873870Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    "cna": {
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          "product": "FAST/TOOLS",
          "vendor": "Yokogawa Electric Corporation",
          "versions": [
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              "lessThanOrEqual": "R10.04",
              "status": "affected",
              "version": "R9.01",
              "versionType": "custom"
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            "Recovery": "NOT_DEFINED",
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            "attackRequirements": "NONE",
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            "baseSeverity": "HIGH",
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            "providerUrgency": "NOT_DEFINED",
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            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
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          "url": "https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf"
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    "datePublished": "2026-02-09T03:26:46.511Z",
    "dateReserved": "2025-12-05T05:04:18.582Z",
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2025-66598

CVE-2025-66598 (GCVE-0-2025-66598)

Tags

Sightings

Nomenclature