Plaintext Storage of a Password vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series, MELSEC iQ-R Series, MELSEC-Q Series and MELSEC-L Series allows a remote unauthenticated attacker to disclose plaintext credentials stored in project files and login into FTP server or Web server.
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-023_en.pdf
https://www.cisa.gov/news-events/ics-advisories/icsa-23-061-01