CVE-2018-7846
Critical
Description
A CWE-501: Trust Boundary Violation vulnerability on connection to the Controller exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause unauthorized access by conducting a brute force attack on Modbus protocol to the controller.
SeverityCritical
CVSS9.8
Exploit probability—
ProductSchneider-electric Modicon M580 Firmware
PublishedMay 22, 2019
First seenMay 22, 2019
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| schneider-electric modicon_m580_firmware | No range specified | — |
| schneider-electric modicon_m340_firmware | No range specified | — |
| schneider-electric modicon_quantum_firmware | No range specified | — |
| schneider-electric modicon_premium_firmware | No range specified | — |
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