A SQL Injection issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. By submitting a specially crafted parameter, it is possible to inject arbitrary SQL statements that could allow an attacker to obtain sensitive information.
https://www.tenable.com/security/research/tra-2017-29
https://ics-cert.us-cert.gov/advisories/ICSA-17-241-02