Description
GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the communications guide. GE was made aware a “Last-key pressed” MODBUS register can be used to gain unauthorized information.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GE | UR family | unspecified – < 8.1x | 8.1x |
Advisories 1
- ICSA-21-075-02 GE UR Family (Update A) CISA ICS & IT advisories · Apr 16, 2026