Some of the flaws are critical and can be exploited to gain remote control of all vulnerable devices on the network. They impact products from companies such as Baxter US, Digi International, Hewlett Packard Enterprise, HP, Intel, Maxlinear, Sandia National Labs, HCL Tech. Affected products include medical devices, printers, uninterruptible power supplies (UPS), construction and mining equipment, and software products. Some, of them (Caterpillar, Rockwell Automation, Schneider Electric, Green Hills, and B.Brown) have already issued security bulletins.
Source: https://www.bleepingcomputer.com/news/security/ripple20-vulnerabilities-affect-iot-devices-across-all-industries/