Cisco AnyConnect 4.x · Version Status
Cisco AnyConnect 4.x End of Life Date
Cisco AnyConnect 4.x 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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Cisco AnyConnect 4.x is past end of life. Standard support ended March 31, 2024. Patches continue until March 31, 2027 only under Extended support — if you are not covered by it, this version is unpatched today.
EOL Date
Mar 31, 2024
892 days past EOL
Latest Release
4.x
Standard release
Release Date
—
Cisco AnyConnect 4.x series
Extended Support
Mar 31, 2027
Extended support
Lifecycle detail
It has been without security patches for 2 years and 5 months.
Attack Surface
10/30 Medium tier
CISA KEV Exposure
20/20 Named in CISA 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 Cisco AnyConnect 4.x support is available
Commercial vendors offer security patches beyond EOL. Compare your options.
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All Cisco AnyConnect Versions
| Version | Latest | EOL Date | Status |
|---|
| 2.5 |
2.5 |
Jun 22, 2013 |
EOL |
| 3.x |
3.x |
Mar 1, 2016 |
EOL |
| → 4.x |
4.x |
Mar 31, 2024 |
EOL |
What does Cisco AnyConnect 4.x end of life mean?
When Cisco AnyConnect 4.x 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 Cisco AnyConnect 4.x past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to a supported version or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Cisco AnyConnect 4.x reach end of life?
Cisco AnyConnect 4.x reached end of life on March 31, 2024. This version is no longer receiving security patches.
Is Cisco AnyConnect 4.x still supported?
No. Cisco AnyConnect 4.x reached end of life on March 31, 2024 and is no longer receiving security patches.
What should I upgrade to from Cisco AnyConnect 4.x?
What are the security risks of running Cisco AnyConnect 4.x past EOL?
When Cisco AnyConnect 4.x 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 Cisco AnyConnect should migrate immediately or implement compensating controls.