The TOTVS Fluig platform allows path traversal through the parameter "file = .. /" encoded in base64. This affects all versions Fluig Lake 1.7.0, Fluig 1.6.5 and Fluig 1.6.4
https://www.exploit-db.com/exploits/49622
https://systemweakness.com/cve-2020-29134-totvs-fluig-platform-f298ea84b507
https://github.com/lucxssouza/CVE-2020-29134/blob/main/README.md