Question 1

What is the EOL Risk Score for Samba 4.13?

Accepted Answer

Samba 4.13 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 Samba 4.13 still supported?

Accepted Answer

Samba 4.13 is no longer supported — it has passed its end of life date (March 21, 2022). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does Samba 4.13 reach end of life?

Accepted Answer

Samba 4.13 reached (or will reach) end of life on March 21, 2022. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Samba 4.13 after end of life?

Accepted Answer

After end of life, Samba 4.13 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.