Nutanix AOS 5.9 · Version Status
Nutanix AOS 5.9 End of Life Date
Nutanix AOS 5.9 end-of-life date, support status, and CVE risk. Data reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.
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Nutanix AOS 5.9 is past end of life. This version no longer receives security patches. 2718 days past EOL — migrate to a supported version immediately.
EOL Date
Apr 30, 2019
2718 days past EOL
Latest Release
5.9.2.4
Standard release
Release Date
Oct 4, 2018
Nutanix AOS 5.9 series
Lifecycle detail
Nutanix AOS 5.9 was released on October 4, 2018 and support ended on April 30, 2019 — a supported lifespan of 7 months, shorter than the 1 year median for Nutanix AOS releases. It was not an LTS release; Nutanix AOS reserves longer patch windows for its LTS versions. The last patch it will ever receive is 5.9.2.4, published February 6, 2019 — 3 months before support ended. It has been without security patches for 7 years and 5 months. 18 newer Nutanix AOS releases have shipped since.
Attack Surface
10/30 Medium tier
CISA KEV Exposure
0/20 Not in KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
Extended Support
Extended Nutanix AOS 5.9 support is available
Commercial vendors offer security patches beyond EOL. Compare your options.
Compare Options →
| Version | Latest | EOL Date | Status |
|---|
| 5.5 LTS |
5.5.9.5 |
Sep 30, 2020 |
EOL |
| 5.6 |
5.6.2 |
Oct 31, 2018 |
EOL |
| 5.8 |
5.8.2 |
Jan 31, 2019 |
EOL |
| → 5.9 |
5.9.2.4 |
Apr 30, 2019 |
EOL |
| 5.10 LTS |
5.10.11.1 |
Apr 30, 2021 |
EOL |
| 5.11 |
5.11.2.3 |
Apr 30, 2020 |
EOL |
| 5.15 LTS |
5.15.7 |
May 31, 2022 |
EOL |
| 5.16 |
5.16.1.3 |
Aug 31, 2020 |
EOL |
What does Nutanix AOS 5.9 end of life mean?
When Nutanix AOS 5.9 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running Nutanix AOS 5.9 past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to Nutanix AOS 7.6 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Nutanix AOS 5.9 reach end of life?
Nutanix AOS 5.9 reached end of life on April 30, 2019. This version is no longer receiving security patches.
Is Nutanix AOS 5.9 still supported?
No. Nutanix AOS 5.9 reached end of life on April 30, 2019 and is no longer receiving security patches.
What should I upgrade to from Nutanix AOS 5.9?
The recommended upgrade from Nutanix AOS 5.9 is
Nutanix AOS 7.6 — the latest actively supported version. Check the
Nutanix AOS full timeline for all supported versions.
What are the security risks of running Nutanix AOS 5.9 past EOL?
When Nutanix AOS 5.9 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL Nutanix AOS should migrate immediately or implement compensating controls.