CVE-2020-11642 : Vulnerability Insights and Analysis

A local file inclusion vulnerability in B&R SiteManager versions <9.2.620236042 allows authenticated users to impact availability of SiteManager instances.

Understanding CVE-2020-11642

This CVE involves a denial of service vulnerability via local file inclusion in B&R SiteManager.

What is CVE-2020-11642?

The vulnerability in B&R SiteManager versions <9.2.620236042 enables authenticated users to disrupt the availability of SiteManager instances.

The Impact of CVE-2020-11642

CVSS Base Score: 7.7 (High Severity)
Attack Vector: Network
Attack Complexity: Low
Availability Impact: High
Scope: Changed
Privileges Required: Low
CWE ID: CWE-552 (Files or Directories Accessible to External Parties)

Technical Details of CVE-2020-11642

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows authenticated users to exploit local file inclusion in B&R SiteManager versions <9.2.620236042.

Affected Systems and Versions

Affected Product: SiteManager
Vendor: B&R
Vulnerable Versions: <9.2.620236042 (Custom version)

Exploitation Mechanism

The vulnerability can be exploited by authenticated users to impact the availability of SiteManager instances.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial for maintaining security.

Immediate Steps to Take

Update B&R SiteManager to version 9.2.620236042 or higher.
Implement proper access controls to limit exposure.

Long-Term Security Practices

Regularly monitor and audit file inclusion vulnerabilities.
Train users on secure coding practices to prevent similar issues.

Patching and Updates

Apply security patches provided by B&R promptly to address this vulnerability.