Question 1

What is the EOL Risk Score for SolarWinds Serv-U 15.5?

Accepted Answer

SolarWinds Serv-U 15.5 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 SolarWinds Serv-U 15.5 still supported?

Accepted Answer

SolarWinds Serv-U 15.5 is no longer supported — it has passed its end of life date (October 8, 2026). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does SolarWinds Serv-U 15.5 reach end of life?

Accepted Answer

SolarWinds Serv-U 15.5 reached (or will reach) end of life on October 8, 2026. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running SolarWinds Serv-U 15.5 after end of life?

Accepted Answer

After end of life, SolarWinds Serv-U 15.5 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.