Schneider Electric Modicon Modbus Protocol Violation of Secure Design Principles

medium Nessus Network Monitor Plugin ID 720117

Synopsis

A Violation of Secure Design Principles issue was discovered in Schneider Electric Modicon Modbus Protocol.

Description

A Violation of Secure Design Principles issue was discovered in Schneider Electric Modicon Modbus Protocol. The Modicon Modbus protocol has a session-related weakness making it susceptible to brute-force attacks.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

https://ics-cert.us-cert.gov/advisories/ICSA-17-101-01,http://www.securityfocus.com/bid/97562

Plugin Details

Severity: Medium

ID: 720117

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 4/11/2017

Vulnerability Publication Date: 4/11/2017

Reference Information

CVE: CVE-2017-6032

BID: 97562