Omron CX-One CX-Programmer before 9.6 uses a reversible format for password storage in project source-code files, which makes it easier for local users to obtain sensitive information by reading a file.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0988
Reference (s):
- https://ics-cert.us-cert.gov/advisories/ICSA-15-274-01