CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/ Mitigation Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0767 Exploit Third Party Advisory
Configurations

Configuration 1
Information

Published : 2019-05-22 09:29

Updated : 2022-02-03 02:23

NVD link : CVE-2018-7856

Mitre link : CVE-2018-7856

Products Affected

Modicon Quantum Firmware

Schneider-electric

CWE
CWE-754