CVE-2020-26868 : Security Advisory and Response

ARC Informatique PcVue prior to version 12.0.17 is vulnerable to a denial-of-service attack due to unauthorized user manipulation. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2020-26868

ARC Informatique PcVue is susceptible to a denial-of-service vulnerability, potentially impacting system availability.

What is CVE-2020-26868?

This CVE identifies a flaw in PcVue versions before 12.0.17, allowing unauthorized users to disrupt system availability by modifying critical information used for message validation.

The Impact of CVE-2020-26868

Severity: High (CVSS Base Score: 7.5)
Attack Vector: Network
Availability Impact: High
Affected Systems: PcVue versions <= 12.0.17 and third-party systems using the Web Services Toolkit.

Technical Details of CVE-2020-26868

PcVue vulnerability details and affected systems.

Vulnerability Description

PcVue allows unauthorized users to modify critical information, leading to a denial-of-service risk.

Affected Systems and Versions

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

Exploitation Mechanism

Attack Complexity: Low
Privileges Required: None
User Interaction: None
Exploitation Scope: Unchanged

Mitigation and Prevention

Protect your systems from CVE-2020-26868.

Immediate Steps to Take

Upgrade PcVue to version 12.0.17
Uninstall web and mobile backend if not in use
Adjust configuration settings to prevent remote code execution

Long-Term Security Practices

Regularly update software and security patches
Implement network segmentation and access controls
Conduct security audits and penetration testing

Patching and Updates

ARC Informatique recommends upgrading PcVue to v12.0.17
Contact PcVue Support for guidance on software installation and updates.