Vulnerability-Lookup

GHSA-7MVW-JQ5J-MJX4

Vulnerability from github – Published: 2026-02-09 06:30 – Updated: 2026-03-06 21:30

Details

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.

This product supports weak cryptographic algorithms, 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

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

8.8 (High)


                  
                    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

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  "affected": [],
  "aliases": [
    "CVE-2025-66597"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-327"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-09T05:16:24Z",
    "severity": "HIGH"
  },
  "details": "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",
  "id": "GHSA-7mvw-jq5j-mjx4",
  "modified": "2026-03-06T21:30:31Z",
  "published": "2026-02-09T06:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-66597"
    },
    {
      "type": "WEB",
      "url": "https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-66597 (GCVE-0-2025-66597)

Vulnerability from cvelistv5 – Published: 2026-02-09 03:31 – Updated: 2026-02-09 19:05

Summary

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product supports weak cryptographic algorithms, 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

Severity

8.8 (High)


                        
                          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

CWE

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

Assigner

YokogawaGroup

References

1 reference

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

Impacted products

1 product

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

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Sightings

Author	Source	Type	Date	Other

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

GHSA-7MVW-JQ5J-MJX4

CVE-2025-66597 (GCVE-0-2025-66597)

Tags

Sightings

Nomenclature