Description
A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Affected devices load firmware updates without checking the authenticity. Furthermore the integrity of the unencrypted firmware is only verified by a non-cryptographic method. This could allow an attacker to manipulate a firmware update and flash it to the device.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | LOGO! 8 BM (incl. SIPLUS variants) | All versions < V8.3 | — |
Advisories 2
- ICSA-22-286-01 Siemens LOGO! CISA ICS & IT advisories · Oct 11, 2022
- SSA-928782 SSA-928782: Firmware Authenticity Vulnerability in LOGO! 8 BM Devices Siemens ProductCERT · Oct 11, 2022