Use of Hard-coded Cryptographic Key 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 Motion Control Setting(GX Works3 related software) versions from 1.035M to 1.042U allows a remote unauthenticated attacker to disclose sensitive information. As a result, unauthenticated users may view programs and project files or execute programs illegally.