How to Buy
This script is Copyright (C) 2006-2017 Tenable Network Security, Inc.
Coils from a Modicon field device, such as a PLC, RTU, or IED, can be
read using function code 1.
Using function code 1, Modbus can reads the coils in a Modbus slave,
which is commonly used by SCADA and DCS field devices. Coils refer
to the binary output settings and are typically mapped to actuators.
A sample of coil settings read from the device are provided by the
The ability to read coils may help an attacker profile a system and
identify ranges of registers to alter via a write coil message.
See also :
Restrict access to the Modbus port (TCP/502) to authorized Modbus
Risk factor :
Medium / CVSS Base Score : 5.0
Nessus Plugin ID: 23817 ()
Get Nessus Professional to scan unlimited IPs, run compliance checks & more
The cookie settings on this website are set to 'allow all cookies' to give you the very best website experience. If you continue without changing these settings, you consent to this - but if you want, you can opt out of all cookies by clicking below.