Is etcd 3.3.27 patched?
Current stable (3.6.12): 100/100
3.3.27 has 1 open critical-or-high vulnerability. Run 3.4.42 or later to clear it. See what 3.4.42 fixes →
Summary iPlain-English security status for etcd 3.3.27, built from its CVEs, active-exploitation data, end-of-life date and latest release.
etcd 3.3.27 is part of the 3.3 release line. 4 known vulnerabilities affect it. The minimum safe version is 3.4.42 — upgrade to it or later to clear the open critical/high issues. The 3.3 line reached end-of-life on 2021-10-15, so it no longer receives security patches. The latest supported etcd release is 3.6.12.
Known issues affecting 3.3.27
Exploited first, then by exploitation probability.
CVE-2023-32082 LOW EPSS 1% → fixed in 3.5.9 CVE-2026-33413 HIGH EPSS 0% → fixed in 3.6.9 CVE-2026-44283 NONE EPSS 0% → fixed in 3.6.11 CVE-2026-33343 NONE EPSS 0% → fixed in 3.6.9Other etcd versions
Check another release line of etcd.
Frequently asked
Is etcd 3.3.27 patched?
etcd 3.3.27 is end-of-life and no longer receives security patches. Move to 3.6.12.
What version should I upgrade etcd 3.3.27 to?
Upgrade etcd 3.3.27 to at least 3.4.42 to clear its 1 open critical-or-high vulnerability.
When does etcd 3.3 reach end-of-life?
etcd 3.3 reached end-of-life on 2021-10-15 and no longer receives security patches.
What is the latest version of etcd?
The latest supported etcd release is 3.6.12.
Is etcd 3.3.27 still receiving security updates?
No — etcd 3.3.27 is on the 3.3 line, which reached end-of-life on 2021-10-15 and no longer receives security updates. Upgrade to 3.6.12 or later to stay supported.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against CNCF's official advisory before you patch or upgrade — etcd official site ↗