CVE-2020-7479 : Exploit Details and Defense Strategies

A CWE-306 vulnerability in IGSS (Interactive Graphical SCADA System) Versions 14 and prior allows local users to execute processes without proper privileges.

Understanding CVE-2020-7479

This CVE involves a Missing Authentication for Critical Function vulnerability in IGSS.

What is CVE-2020-7479?

The vulnerability in IGSS Versions 14 and earlier enables local users to run processes that typically require escalated privileges by sending commands to the IGSS Update Service.

The Impact of CVE-2020-7479

The vulnerability could be exploited by a local user to execute unauthorized processes, potentially leading to system compromise or disruption.

Technical Details of CVE-2020-7479

This section provides technical insights into the vulnerability.

Vulnerability Description

The CWE-306 flaw in IGSS Versions 14 and prior allows local users to bypass authentication and execute critical functions.

Affected Systems and Versions

IGSS (Interactive Graphical SCADA System) Versions prior to 14.0.0.20009
IGSS (Interactive Graphical SCADA System) Versions 14 and prior using the service: IGSSupdate

Exploitation Mechanism

Local network commands sent to the IGSS Update Service can trigger the vulnerability, enabling unauthorized process execution.

Mitigation and Prevention

Protect your systems from CVE-2020-7479 with these measures.

Immediate Steps to Take

Apply the vendor-released patches promptly.
Restrict network access to critical systems.
Monitor and analyze network traffic for suspicious activities.

Long-Term Security Practices

Implement the principle of least privilege for user accounts.
Conduct regular security training for system users.
Keep systems and software updated to prevent vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.