CVE-2020-26693 : Security Advisory and Response

A stored cross-site scripting (XSS) vulnerability was discovered in pfSense 2.4.5-p1, allowing an authenticated attacker to execute arbitrary web scripts via exploitation of the load_balancer_monitor.php function.

Understanding CVE-2020-26693

This CVE involves a stored XSS vulnerability in pfSense 2.4.5-p1, posing a risk to system security.

What is CVE-2020-26693?

This CVE refers to a specific security flaw in pfSense 2.4.5-p1 that enables authenticated attackers to run malicious web scripts.

The Impact of CVE-2020-26693

The vulnerability could lead to unauthorized script execution, potentially compromising the integrity of the system and exposing sensitive data.

Technical Details of CVE-2020-26693

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

Vulnerability Description

The vulnerability allows authenticated attackers to execute arbitrary web scripts through the load_balancer_monitor.php function in pfSense 2.4.5-p1.

Affected Systems and Versions

Product: pfSense 2.4.5-p1
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the load_balancer_monitor.php function in the affected pfSense version.

Mitigation and Prevention

Protecting systems from CVE-2020-26693 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update pfSense to the latest version to patch the vulnerability.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly conduct security audits and vulnerability assessments.
Educate users on safe browsing practices and the importance of system security.

Patching and Updates

Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.