CVE-2020-25182 : Vulnerability Insights and Analysis

Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x have a vulnerability that allows unauthenticated local attackers to execute arbitrary code on Microsoft Windows systems.

Understanding CVE-2020-25182

This CVE involves uncontrolled loading of dynamic libraries in ISaGRAF Runtime, posing a security risk.

What is CVE-2020-25182?

ISaGRAF Runtime versions 4.x and 5.x by Rockwell Automation are susceptible to arbitrary code execution due to uncontrolled loading of dynamic libraries.

The Impact of CVE-2020-25182

CVSS Base Score: 6.7 (Medium Severity)
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2020-25182

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw in ISaGRAF Runtime allows local, unauthenticated attackers to execute arbitrary code by exploiting the uncontrolled loading of dynamic libraries.

Affected Systems and Versions

Product: ISaGRAF Runtime
Vendor: Rockwell Automation
Affected Versions: 4.x, 5.x

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the dynamic library loading process in ISaGRAF Runtime on Windows systems.

Mitigation and Prevention

Protect your systems from CVE-2020-25182 with these strategies.

Immediate Steps to Take

Update to ISaGRAF Runtime 5 Version 5.72.00
Restrict or block access on TCP 1131 and TCP 1132
Follow the least-privilege user principle

Long-Term Security Practices

Implement proper network segmentation and security controls
Minimize network exposure for control system devices
Place control systems behind firewalls
Isolate control systems from other networks
Utilize network infrastructure controls like firewalls and VPN

Patching and Updates

Evaluate and apply provided mitigations
Combine guidance with general security practices
Follow Rockwell Automation's and other vendors' publications for further mitigation steps