Netbackup Appliance Os · Lifecycle Status

Netbackup Appliance Os End of Life (EOL) Dates & Support Timeline

Complete end-of-life dates, support windows, and security status for all Netbackup Appliance Os versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.

Netbackup Appliance Os 5.3.0.1 MR4 is actively supported. No versions approaching EOL in the next 6 months.
Latest Active
5.3.0.1 MR4
5.3 series
Next EOL
None upcoming
Active Versions
2
of 11 total
EOL Versions
9
no longer patched
Release Cycle Timeline
EOL   Warning   Active   Today
Release cycle timeline 201620172018201920202021202220232024202520262.73.03.13.23.34.04.15.05.15.35.5TODAY
All Versions
VersionLatest ReleaseRelease DateEOL DateDaysStatus
2.7 2.7.3 Dec 6, 2015 Oct 1, 2020 2046 days past EOL EOL
3.0 3.0 Dec 4, 2016 Oct 1, 2020 2046 days past EOL EOL
3.1 3.1.2 Sep 26, 2017 Jun 28, 2022 1411 days past EOL EOL
3.2 3.2 Nov 4, 2019 Jun 28, 2023 1046 days past EOL EOL
3.3 3.3.0.2 MR2 Oct 5, 2020 Jul 29, 2024 649 days past EOL EOL
4.0 4.0.0.1 MR4 Mar 1, 2021 Jan 1, 2024 859 days past EOL EOL
4.1 4.1.0.1 MR5 Jul 19, 2021 Jun 7, 2024 701 days past EOL EOL
5.0 5.0.0.1 MR5 Apr 25, 2022 Mar 28, 2025 407 days past EOL EOL
5.1 5.1.1 MR5 Feb 8, 2023 Sep 8, 2025 243 days past EOL EOL
5.3 5.3.0.1 MR4 Nov 27, 2023 Already EOL Supported Active
5.5 5.5.0.1 MR1 Jul 31, 2025 Already EOL Supported Active

What does Netbackup Appliance Os end of life mean for your organization?

When a Netbackup Appliance Os version reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.

The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.

Organizations running EOL Netbackup Appliance Os should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.

Check your full stack for EOL risk

Upload requirements.txt, package.json, or Gemfile — full EOL report instantly.

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Frequently Asked Questions
What is the end-of-life date for Netbackup Appliance Os?
See the full table above for all Netbackup Appliance Os version EOL dates.
What is the latest supported version of Netbackup Appliance Os?
The latest active version of Netbackup Appliance Os is 5.3.0.1 MR4. Always verify against the table above as support windows can change.
What happens when Netbackup Appliance Os reaches end of life?
When Netbackup Appliance Os reaches end of life, the vendor stops issuing security patches. Any CVEs disclosed after the EOL date accumulate indefinitely with no patch path — creating an ever-growing attack surface that most vulnerability scanners do not flag.
How do I check if I'm running an EOL version of Netbackup Appliance Os?
Check your current version against the table above. If your version's EOL date has passed, you are running unsupported software. You can also use the endoflife.ai Stack Scanner to check your entire dependency file at once.
Is there extended support available for EOL Netbackup Appliance Os versions?
Some vendors offer extended support for EOL software. Contact the original vendor or check with enterprise support providers for options.

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Data from endoflife.date API · endoflife.date · Generated at build time · How we source data →