Junos OS 23.1
23.1
Os Release
· Junos OS Series
Is Junos OS 23.1 still maintained?
No. Juniper no longer maintains Junos OS 23.1; support ended 2024-03-31. It receives no fixes of any kind, including security patches. Devices running it are unpatched against any newer vulnerability — plan an upgrade to a maintained release. See Juniper's lifecycle bulletin.
When do security fixes for Junos OS 23.1 stop?
Engineering fixes for Junos OS 23.1 — including security patches — stop on 2023-12-31. After that date, a device on this release cannot be patched against newly disclosed vulnerabilities without upgrading, which is the point that matters for KEV exposure and compliance.
What should I upgrade Junos OS 23.1 to?
Upgrade to a currently maintained Juniper release. Check the release-train table on the vendor page for the nearest supported version.
Junos OS 23.1 Release Lifecycle
Junos OS 23.1 is a Juniper Junos OS software release. Releases are maintained on a fixed schedule: Juniper ships fixes and security patches until the release reaches end of engineering, after which a device must be upgraded to a maintained release to stay patchable. The dates below are milestones for the software train, not for any specific appliance — hardware running this release has its own separate lifecycle. This product has reached end of life as of , meaning Juniper no longer provides technical support, software updates, or hardware replacement for this product. Organizations still running the Junos OS 23.1 should plan a migration .
Lifecycle Milestones
| Lifecycle notice published | 3y 4mo ago | |
|---|---|---|
| End of software maintenance | 2y 7mo ago | |
| End of security vulnerability support | 2y 7mo ago | |
| Last date of support | 2y 4mo ago |