CVE-2025-66603
OPTIONS Method Exposure in Yokogawa FAST/TOOLS Web Server
Publication date: 2026-02-09
Last updated on: 2026-03-05
Assigner: YokogawaGroup
Description
Description
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| yokogawa | fast/tools | From r9.01 (inc) to r10.04 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-358 | The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the FAST/TOOLS software provided by Yokogawa Electric Corporation. The web server component of the software accepts the HTTP OPTIONS method. An attacker could potentially use the information revealed by this method to facilitate other attacks.
How can this vulnerability impact me? :
The vulnerability allows an attacker to gain information from the web server by using the OPTIONS method. While the direct impact is low (as indicated by the CVSS base score of 2.1), this information could be leveraged by an attacker to carry out further attacks against the system.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know