Rockwell Automation MicroLogix 1100 and 1400 <= 16.0 Improper Information Handling (ICSA-17-115-04)

high Nessus Network Monitor Plugin ID 720295

Synopsis

Rockwell Automation MicroLogix 1100 and 1400 &lt;= 16.0 are exploitable because of Predictable Value Range from Previous Values, Reusing a Nonce, Key Pair in Encryption, Information Exposure, Improper Restriction of Excessive Authentication Attempts, Weak Password Requirements.

Description

Successful exploitation of these vulnerabilities may allow a remote attacker to gain unauthorized access to the affected programmable logic controllers and to spoof or disrupt TCP connections.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

https://www.us-cert.gov/ics/advisories/ICSA-17-115-04

Plugin Details

Severity: High

ID: 720295

Family: SCADA

Published: 9/11/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

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

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

Vulnerability Information

Patch Publication Date: 5/23/2017

Vulnerability Publication Date: 5/23/2017

Reference Information

CVE: CVE-2017-7898