Is Concrete CMS 8.5.21 patched?
Summary iPlain-English security status for Concrete CMS 8.5.21, built from its CVEs, active-exploitation data, end-of-life date and latest release.
Concrete CMS 8.5.21 is part of the 8.5 release line. No known vulnerabilities affect it in our data. The latest supported Concrete CMS release is 9.5.2.
Known issues affecting 8.5.21
None found for this version. ✓
Other Concrete CMS versions
Check another release line of Concrete CMS.
Frequently asked
Is Concrete CMS 8.5.21 patched?
Concrete CMS 8.5.21 is on the latest patch of its cycle with no known affecting vulnerabilities.
What is the latest version of Concrete CMS?
The latest supported Concrete CMS release is 9.5.2.
Is Concrete CMS 8.5.21 still receiving security updates?
Yes — the 8.5 line is still supported and receiving security updates. The latest release is 9.5.2.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Concrete CMS's official advisory before you patch or upgrade — Concrete CMS official site ↗