Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Processing specially crafted project files lacking proper validation of user supplied data may cause a type confusion condition, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-16229
• https://us-cert.cisa.gov/ics/advisories/icsa-20-219-02
• https://www.zerodayinitiative.com/advisories/ZDI-20-954/