CVE-2018-7856
High
Description
A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a possible denial of Service when writing invalid memory blocks to the controller over Modbus.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSchneider-electric Modicon Premium Firmware
PublishedMay 22, 2019
First seenMay 22, 2019
How to fix
Update
- schneider-electric modicon_m340_firmware3.10 or later
- schneider-electric modicon_m580_firmware2.90 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| schneider-electric modicon_premium_firmware | No range specified | — |
| schneider-electric modicon_quantum_firmware | No range specified | — |
| schneider-electric modicon_m340_firmware | v < 3.10 | 3.10 |
| schneider-electric modicon_m580_firmware | v < 2.90 | 2.90 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.