CVE-2018-7856

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
schneiderCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 64%
VendorProductVersion
schneider-electricmodicon_premium_firmware
-
schneider-electricmodicon_quantum_firmware
-
schneider-electricmodicon_m340_firmware
𝑥
< 3.10
schneider-electricmodicon_m580_firmware
𝑥
< 2.90
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0767
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0767