Description
The installer routine in Schneider Electric MiCOM S1 Studio uses world-writable permissions for executable files, which allows local users to modify the service or the configuration files, and consequently gain privileges or trigger incorrect protective-relay operation, via a Trojan horse executable file.
Advisories 1
- ICSA-13-100-01 Schneider Electric MiCOM S1 Studio Improper Authorization Vulnerability CISA ICS & IT advisories · Jun 6, 2025