Medium (5.8). EPSS 0.5% chance of exploitation in the next 30 days.
A vulnerability has been found in FAST/TOOLS and CI Server. The affected product's WEB HMI server's function to process HTTP requests has a security flaw (Reflected XSS) that allows the execution of malicious scripts. Therefore, if a client PC with inadequate security measures accesses a product URL containing a malicious request, the malicious script may be executed on the client PC.
The affected products and versions are as follows:
FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
CI Server R1.01.00 to R1.03.00
Severity
CVSS 3.1
5.8 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
EPSS
0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)