Vulnerability-Lookup

VAR-202602-0268

Vulnerability from variot - Updated: 2026-03-07 19:45

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. The expected impact varies depending on the vulnerability, but could include the following: CVE-2025-66594 The information in the message displayed on the error page could be used for other attacks. CVE-2025-66595 If a user accessed a specially crafted link sent by an attacker, their account could be spoofed. CVE-2025-66596 If an attacker inserts an invalid host header, they may be redirected to a malicious host. CVE-2025-66599Web The physical path displayed on the page can be used for other attacks. CVE-2025-66600 Attackers can perform man-in-the-middle attacks ( Man-in-the-Middle Attack ) is performed, Web There is a risk that communications with the server may be intercepted. CVE-2025-66601 by the attacker Content Sniffing If an attack is successful, malicious scripts may be executed. CVE-2025-66602Web The server IP To accept access by address, random IP By address Web Malware looking for servers can be introduced into your network. CVE-2025-66603Web The server accepted OPTIONS The information in the method sage can be used in other attacks. CVE-2025-66604Web The library version information displayed on the page can be used for other attacks. CVE-2025-66605Web On the page Autocomplete There are input fields that have the attribute enabled, which may cause the input to be saved in the browser. CVE-2025-66606URL Due to poor encoding process, Web Pages may be defaced or malicious scripts may be executed. CVE-2025-66607 Insecure response headers may allow attackers to redirect you to malicious sites. CVE-2025-66608URL Due to insufficient validation, if a crafted request is received by an attacker, Web There is a possibility that files stored on the server may be stolen. For more information, please refer to the information provided by the developer

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

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

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

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

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              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-327",
              "description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm",
              "lang": "en",
              "type": "CWE"
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          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-09T03:26:46.511Z",
        "orgId": "7168b535-132a-4efe-a076-338f829b2eb9",
        "shortName": "YokogawaGroup"
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      "references": [
        {
          "url": "https://web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdf"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
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  "cveMetadata": {
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    "assignerShortName": "YokogawaGroup",
    "cveId": "CVE-2025-66598",
    "datePublished": "2026-02-09T03:26:46.511Z",
    "dateReserved": "2025-12-05T05:04:18.582Z",
    "dateUpdated": "2026-02-09T19:05:56.310Z",
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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

VAR-202602-0268

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

Tags

Sightings

Nomenclature