Description
A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). The implemented encryption for communication with affected devices is prone to replay attacks due to the usage of a static key. An attacker could change the password or change the configuration on any affected device if using prepared messages that were generated for another device.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | LOGO! 8 BM (incl. SIPLUS variants) | All versions < V8.3 | — |
Advisories 1
- ICSA-20-343-10 Siemens LOGO! 8 BM CISA ICS & IT advisories · Dec 8, 2020