CVE-2020-8484 : Exploit Details and Defense Strategies

A vulnerability in ABB System 800xA for DCI allows an attacker to inject data, potentially leading to unauthorized access and system crashes.

Understanding CVE-2020-8484

This CVE involves insufficient protection of inter-process communication functions in ABB System 800xA for DCI, posing a risk of data injection and system compromise.

What is CVE-2020-8484?

The vulnerability in ABB System 800xA for DCI enables an authenticated attacker on the local system to inject data, potentially allowing unauthorized reads and writes to controllers or causing Windows processes to crash.

The Impact of CVE-2020-8484

The vulnerability has a CVSS base score of 7.8, indicating a high severity issue with significant impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2020-8484

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from insufficient protection of inter-process communication functions in ABB System 800xA for DCI, allowing an attacker to inject data and potentially manipulate system processes.

Affected Systems and Versions

Product: 800xA for DCI
Vendor: ABB
Versions: All published versions

Exploitation Mechanism

The vulnerability can be exploited by an attacker authenticated on the local system to inject malicious data, leading to unauthorized access and potential system crashes.

Mitigation and Prevention

Protecting systems from CVE-2020-8484 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly to mitigate the vulnerability.
Monitor system logs for any suspicious activities that may indicate exploitation attempts.

Long-Term Security Practices

Implement strong access controls and authentication mechanisms to prevent unauthorized access.
Conduct regular security assessments and penetration testing to identify and address potential vulnerabilities.

Patching and Updates

Regularly check for security advisories from ABB and apply patches or updates as soon as they are available.