Question 1

What is the EOL Risk Score for Jenkins 2.555?

Accepted Answer

Jenkins 2.555 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 (0/40), Attack Surface (20/30), CISA KEV Exposure (20/20), and Extended Support Availability (0/10).

Question 2

Is Jenkins 2.555 still supported?

Accepted Answer

Jenkins 2.555 is currently supported. End of life is scheduled for a future date. Plan your migration before that date to avoid security risk.

Question 3

When does Jenkins 2.555 reach end of life?

Accepted Answer

The end of life date for Jenkins 2.555 is not yet scheduled. Check the full Jenkins version timeline at endoflife.ai/jenkins.html for the latest information.

Question 4

What are the security risks of running Jenkins 2.555 after end of life?

Accepted Answer

After end of life, Jenkins 2.555 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.