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, Motion Control Setting(GX Works3 related software) versions from 1.035M to 1.042U, and MT Works2 versions from 1.100E to 1.200J allows a remote unauthenticated attacker to disclose sensitive information. As a result, unauthenticated users may view programs and project files or execute programs illegally.
Weakness
The product uses a hard-coded, unchangeable cryptographic key.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gx_works3 | Mitsubishielectric | 1.000a (including) | 1.011m (including) |
| Gx_works3 | Mitsubishielectric | 1.015r (including) | 1.086q (including) |
| Gx_works3 | Mitsubishielectric | 1.087r (including) | * |
Potential Mitigations
References
- https://jvn.jp/vu/JVNVU97244961/index.html
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-333-05
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-015_en.pdf
- https://jvn.jp/vu/JVNVU97244961/index.html
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-333-05
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-015_en.pdf