9.8
Critical
CVE-2017-6034 An authentication bypass by capture-replay issue was discovered in Schneider Electric Modicon Modbus Protocol
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Schneider Electric Modicon Modbus Protocol | Versions not published | |
| Modicon Modbus Protocol | Versions not published |