Big Ip 21.1 · Version Status
Big Ip 21.1 End of Life Date
Big Ip 21.1 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Big Ip 21.1 is actively supported. EOL date: May 5, 2029.
EOL Date
May 5, 2029
1086 days remaining
Latest Release
21.1.0
LTS release
Release Date
May 5, 2026
Big Ip 21.1 series
| Version | Latest | EOL Date | Status |
|---|
| 15.0 |
15.0.1 |
Aug 23, 2020 |
EOL |
| 15.1 LTS |
15.1.10 |
Dec 31, 2025 |
EOL |
| 16.0 |
16.0.1.1 |
Oct 7, 2021 |
EOL |
| 16.1 LTS |
16.1.6 |
Jul 1, 2026 |
Warning |
| 17.0 |
17.0.0 |
Jul 31, 2023 |
EOL |
| 17.1 LTS |
17.1.3 |
Mar 31, 2027 |
Active |
| 17.5 LTS |
17.5.1 |
Jan 1, 2029 |
Active |
| 21.0 |
21.0.0 |
Aug 6, 2026 |
Warning |
What does Big Ip 21.1 end of life mean?
When Big Ip 21.1 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: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Big Ip 21.1 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Big Ip 21.1 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Big Ip 21.1 reach end of life?
Big Ip 21.1 reached end of life on May 5, 2029. That is 1086 days remaining.
Is Big Ip 21.1 still supported?
Yes, Big Ip 21.1 is currently supported. The EOL date is May 5, 2029.
What should I upgrade to from Big Ip 21.1?
The recommended upgrade from Big Ip 21.1 is
Big Ip 21.1 — the latest actively supported version. Check the
Big Ip full timeline for all supported versions.
What are the security risks of running Big Ip 21.1 past EOL?
When Big Ip 21.1 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Big Ip should migrate immediately or implement compensating controls.