Palo Alto GlobalProtect 5.1 · Version Status
Palo Alto GlobalProtect 5.1 End of Life Date
Palo Alto GlobalProtect 5.1 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Palo Alto GlobalProtect 5.1 is past end of life. This version no longer receives security patches. 592 days past EOL — migrate to a supported version immediately.
EOL Date
Dec 31, 2024
592 days past EOL
Latest Release
5.1.12
Standard release
Release Date
Dec 12, 2019
Palo Alto GlobalProtect 5.1 series
Lifecycle detail
Palo Alto GlobalProtect 5.1 was released on December 12, 2019 and support ended on December 31, 2024 — a supported lifespan of 5 years and 1 month, longer than the 3 years and 4 months median for Palo Alto GlobalProtect releases. The last patch it will ever receive is 5.1.12, published February 12, 2024 — 11 months before support ended. It has been without security patches for 1 year and 8 months.
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 Palo Alto GlobalProtect 5.1 support is available
Commercial vendors offer security patches beyond EOL. Compare your options.
Compare Options →
All Palo Alto GlobalProtect Versions
| Version | Latest | EOL Date | Status |
|---|
| 3.0 |
3.0 |
Feb 15, 2018 |
EOL |
| 3.1 |
3.1 |
Jun 23, 2018 |
EOL |
| 4.0 |
4.0 |
Jan 30, 2019 |
EOL |
| 4.1 |
4.1.13 |
Mar 1, 2020 |
EOL |
| 5.0 |
5.0.10 |
Feb 12, 2021 |
EOL |
| → 5.1 |
5.1.12 |
Dec 31, 2024 |
EOL |
| 5.2 |
5.2.13-c418 |
Feb 28, 2024 |
EOL |
| 5.3 |
5.3.4 |
Jun 1, 2023 |
EOL |
What does Palo Alto GlobalProtect 5.1 end of life mean?
When Palo Alto GlobalProtect 5.1 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 Palo Alto GlobalProtect 5.1 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Palo Alto GlobalProtect 6.3 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Palo Alto GlobalProtect 5.1 reach end of life?
Palo Alto GlobalProtect 5.1 reached end of life on December 31, 2024. This version is no longer receiving security patches.
Is Palo Alto GlobalProtect 5.1 still supported?
No. Palo Alto GlobalProtect 5.1 reached end of life on December 31, 2024 and is no longer receiving security patches.
What should I upgrade to from Palo Alto GlobalProtect 5.1?
The recommended upgrade from Palo Alto GlobalProtect 5.1 is
Palo Alto GlobalProtect 6.3 — the latest actively supported version. Check the
Palo Alto GlobalProtect full timeline for all supported versions.
What are the security risks of running Palo Alto GlobalProtect 5.1 past EOL?
When Palo Alto GlobalProtect 5.1 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 Palo Alto GlobalProtect should migrate immediately or implement compensating controls.