CVE-2018-7851
Medium
Description
CWE-119: Buffer errors vulnerability exists in Modicon M580 with firmware prior to V2.50, Modicon M340 with firmware prior to V3.01, BMxCRA312xx with firmware prior to V2.40, All firmware versions of Modicon Premium and 140CRA312xxx when sending a specially crafted Modbus packet, which could cause a denial of service to the device that would force a restart to restore availability.
SeverityMedium
CVSS6.5
Exploit probability—
ProductSchneider-electric M580 Firmware
PublishedMay 22, 2019
First seenMay 22, 2019
Weakness typeCWE-119Memory buffer bounds error
How to fix
Update
- schneider-electric m580_firmware2.50 or later
- schneider-electric m340_firmware3.01 or later
- schneider-electric bmx\/e_cra_firmware2.40 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| schneider-electric m580_firmware | v < 2.50 | 2.50 |
| schneider-electric m340_firmware | v < 3.01 | 3.01 |
| schneider-electric bmx\/e_cra_firmware | v < 2.40 | 2.40 |
| schneider-electric modicon_premium_firmware | No range specified | — |
| schneider-electric 140cra312xxx_firmware | No range specified | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
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