Use of Hard-coded Password vulnerability in Mitsubishi Electric GX Works3 versions from 1.000A to 1.090U, GT Designer3 Version1 (GOT2000) versions from 1.122C to 1.290C, and MT Works2 versions from 1.100E to 1.200J allows an unauthenticated attacker to disclose sensitive information. As a result, unauthenticated users may view programs and project files or execute programs illegally.