CVE-2020-26869 : Exploit Details and Defense Strategies

ARC Informatique PcVue prior to version 12.0.17 is vulnerable to information exposure, allowing unauthorized users to access session data of legitimate users. This issue also affects third-party systems based on the Web Services Toolkit.

Understanding CVE-2020-26869

ARC Informatique PcVue Exposure of Sensitive Information to an Unauthorized Actor

What is CVE-2020-26869?

CVE-2020-26869 is a vulnerability in ARC Informatique PcVue versions prior to 12.0.17 that exposes sensitive information, enabling unauthorized access to legitimate user session data.

The Impact of CVE-2020-26869

Confidentiality Impact: High
Base Score: 7.5 (High Severity)
Unauthorized users can access sensitive session data, posing a significant risk to affected systems.

Technical Details of CVE-2020-26869

ARC Informatique PcVue Exposure of Sensitive Information to an Unauthorized Actor

Vulnerability Description

PcVue versions <= 12.0.17 are susceptible to information exposure, compromising user session data security.

Affected Systems and Versions

Affected Product: PcVue
Vendor: ARC Informatique
Vulnerable Versions: <= 12.0.17

Exploitation Mechanism

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None

Mitigation and Prevention

ARC Informatique recommends upgrading PcVue to v12.0.17 to address the vulnerability.

Immediate Steps to Take

Uninstall the web and mobile backend if not in use.
Change default configurations for components prior to v12.0.
Harden firewall configurations to restrict incoming connections.

Long-Term Security Practices

Regularly update and patch PcVue software.
Implement network security best practices to prevent unauthorized access.
Monitor and audit system logs for any suspicious activities.

Patching and Updates

Contact PcVue Support for instructions on downloading and installing the latest software version.