Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2025-66603

Severity CVSS v4.0:
LOW
Type:
Unavailable / Other
Publication date:
09/02/2026
Last modified:
05/03/2026

Description

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation.<br /> <br /> <br /> <br /> The web server accepts<br /> the OPTIONS method. An attacker could potentially use this information to carry<br /> out other attacks.<br /> <br /> <br /> <br /> The<br /> affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to<br /> R10.04

Impact

Vector 4.0
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 2.10 LOW
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): Active
Confidentiality (VC): Low
Integrity (VI): None
Availability (VA): None
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0
2.10
Severity 4.0
LOW
Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:yokogawa:fast\/tools:*:*:*:*:*:*:*:* r9.01 (including) r10.04 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools