Description
An authentication bypass by capture-replay issue was discovered in Schneider Electric Modicon Modbus Protocol. Sensitive information is transmitted in cleartext in the Modicon Modbus protocol, which may allow an attacker to replay the following commands: run, stop, upload, and download.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Schneider Electric | Modicon Modbus Protocol | all versions | — |
Advisories 1
- ICSA-17-101-01 Schneider Electric Modicon Modbus Protocol CISA ICS & IT advisories · Apr 11, 2017