Question 1

What is the EOL Risk Score for Juniper Junos OS 22.4?

Accepted Answer

Juniper Junos OS 22.4 has an EOL Risk Score™ of 55 out of 100, placing it in the High risk band. The score is calculated from four factors: EOL Recency (25/40), Attack Surface (10/30), CISA KEV Exposure (20/20), and Extended Support Availability (0/10).

Question 2

Is Juniper Junos OS 22.4 still supported?

Accepted Answer

Juniper Junos OS 22.4 is no longer supported — it has passed its end of life date (June 22, 2026). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does Juniper Junos OS 22.4 reach end of life?

Accepted Answer

Juniper Junos OS 22.4 reached (or will reach) end of life on June 22, 2026. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Juniper Junos OS 22.4 after end of life?

Accepted Answer

After end of life, Juniper Junos OS 22.4 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.