Claroty Research on Ovarro TBox RTUs and TWinSoft Engineering Software (products used in water/wastewater systems)
Industrial cybersecurity firm Claroty released its research regarding findings of vulnerabilities affecting Ovarro’s TBox remote terminal units (RTUs) and TWinSoft engineering software. ICS-CERT has published ICS Advisory ICSA-21-054-04. Claroty’s research highlights findings in implementations of Ovarro’s proprietary version of the Modbus protocol which allows for malicious code to be injected through the modification of an update package.