Question 1

What is the EOL Risk Score for Cisco UCS servers and fabric interconnects (hardware) UCS B420 M4?

Accepted Answer

Cisco UCS servers and fabric interconnects (hardware) UCS B420 M4 has an EOL Risk Score™ of 50 out of 100, placing it in the Medium risk band. The score is calculated from four factors: EOL Recency (40/40), Attack Surface (10/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is Cisco UCS servers and fabric interconnects (hardware) UCS B420 M4 still supported?

Accepted Answer

Cisco UCS servers and fabric interconnects (hardware) UCS B420 M4 is no longer supported — it has passed its end of life date (February 29, 2024). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does Cisco UCS servers and fabric interconnects (hardware) UCS B420 M4 reach end of life?

Accepted Answer

Cisco UCS servers and fabric interconnects (hardware) UCS B420 M4 reached (or will reach) end of life on February 29, 2024. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Cisco UCS servers and fabric interconnects (hardware) UCS B420 M4 after end of life?

Accepted Answer

After end of life, Cisco UCS servers and fabric interconnects (hardware) UCS B420 M4 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.