Question 1

What is the EOL Risk Score for Barracuda Web Application Firewall 964 Rev B?

Accepted Answer

Barracuda Web Application Firewall 964 Rev B has an EOL Risk Score™ of 40 out of 100, placing it in the Medium risk band. The score is calculated from four factors: EOL Recency (30/40), Attack Surface (10/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is Barracuda Web Application Firewall 964 Rev B still supported?

Accepted Answer

Barracuda Web Application Firewall 964 Rev B is no longer supported — it has passed its end of life date (November 15, 2025). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does Barracuda Web Application Firewall 964 Rev B reach end of life?

Accepted Answer

Barracuda Web Application Firewall 964 Rev B reached (or will reach) end of life on November 15, 2025. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Barracuda Web Application Firewall 964 Rev B after end of life?

Accepted Answer

After end of life, Barracuda Web Application Firewall 964 Rev B no longer receives security patches. Any newly discovered CVEs remain unpatched indefinitely. Organizations running EOL software also face compliance violations under SOC 2, PCI DSS, HIPAA, and ISO 27001, which require use of supported software versions.